user
Instruction
Answer the question based on the provided table.


Table
Table Title: United States Senate elections, 2018
Table Content:
| State\n(linked to\nsummaries below) | Incumbent\nSenator | Incumbent\nParty | Incumbent\nElectoral\nhistory | Most recent election results | 2018 intent | Candidates |
| --- | --- | --- | --- | --- | --- | --- |
| Arizona | Jeff Flake | Republican | Jeff Flake (R) 49.2%\nRichard Carmona (D) 46.1%\nMarc Victor (L) 4.6% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| California | Dianne Feinstein | Democratic | Dianne Feinstein (D) 62.5%\nElizabeth Emken (R) 37.5% | 1992 (special)\n1994\n2000\n2006\n2012 | Running | [Data unknown/missing. You can help!] |
| Connecticut | Chris Murphy | Democratic | Chris Murphy (D) 54.8%\nLinda McMahon (R) 43.1%\nPaul Passarelli (L) 1.7% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Delaware | Tom Carper | Democratic | Tom Carper (D) 66.4%\nKevin L. Wade (R) 29.0%\nAlex Pires (I) 3.8% | 2000\n2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Florida | Bill Nelson | Democratic | Bill Nelson (D) 55.2%\nConnie Mack IV (R) 42.2% | 2000\n2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Hawaii | Mazie Hirono | Democratic | Mazie Hirono (D) 62.6%\nLinda Lingle (R) 37.4% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Indiana | Joe Donnelly | Democratic | Joe Donnelly (D) 50.0%\nRichard Mourdock (R) 44.2%\nAndrew Horning (L) 5.7% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Maine | Angus King | Independent | Angus King (I) 52.9%\nCharles E. Summers, Jr. (R) 30.7%\nCynthia Dill (D) 13.3% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Maryland | Ben Cardin | Democratic | Ben Cardin (D) 56.0%\nDan Bongino (R) 26.3%\nS. Rob Sobhani (I) 16.4% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Massachusetts | Elizabeth Warren | Democratic | Elizabeth Warren (D) 53.7%\nScott Brown (R) 46.3% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Michigan | Debbie Stabenow | Democratic | Debbie Stabenow (D) 58.8%\nPete Hoekstra (R) 38.0%\nScotty Boman (L) 1.8% | 2000\n2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Minnesota | Amy Klobuchar | Democratic | Amy Klobuchar (D) 65.2%\nKurt Bills (R) 30.5%\nStephen Williams (Independence) 2.6% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Mississippi | Roger Wicker | Republican | Roger Wicker (R) 57.2%\nAlbert N. Gore, Jr. (D) 40.6%\nThomas Cramer (C) 1.2%\nShawn O'Hara (Reform) 1% | 2008 (special)\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Missouri | Claire McCaskill | Democratic | Claire McCaskill (D) 54.8%\nTodd Akin (R) 39.0%\nJonathan Dine (L) 6.1% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Montana | Jon Tester | Democratic | Jon Tester (D) 48.6%\nDenny Rehberg (R) 44.9%\nDan Cox (L) 6.6% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Nebraska | Deb Fischer | Republican | Deb Fischer (R) 57.8%\nBob Kerrey (D) 42.2% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Nevada | Dean Heller | Republican | Dean Heller (R) 45.9%\nShelley Berkley (D) 44.7%\nDavid Lory VanderBeek (C) 4.9%\nNone of These Candidates 4.5% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| New Jersey | Bob Menendez | Democratic | Bob Menendez (D) 58.9%\nJoe Kyrillos (R) 39.4% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| New Mexico | Martin Heinrich | Democratic | Martin Heinrich (D) 51.0%\nHeather Wilson (R) 45.3%\nJon Barrie (IAP) 3.6% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| New York | Kirsten Gillibrand | Democratic | Kirsten Gillibrand (D) 71.6%\nWendy E. Long (R) 26.0% | 2010 (special)\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| North Dakota | Heidi Heitkamp | Democratic | Heidi Heitkamp (D) 50.2%\nRick Berg (R) 49.3% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Ohio | Sherrod Brown | Democratic | Sherrod Brown (D) 50.7%\nJosh Mandel (R) 44.7%\nScott A. Rupert (I) 4.6% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Pennsylvania | Bob Casey, Jr. | Democratic | Bob Casey, Jr. (D) 53.7%\nTom Smith (R) 44.6%\nRayburn Douglas Smith (L) 1.7% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Rhode Island | Sheldon Whitehouse | Democratic | Sheldon Whitehouse (D) 64.8%\nBarry Hinckley (R) 35.0% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Tennessee | Bob Corker | Republican | Bob Corker (R) 64.9%\nMark E. Clayton (D) 30.4%\nMartin Pleasant (G) 1.7% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Texas | Ted Cruz | Republican | Ted Cruz (R) 56.5%\nPaul Sadler (D) 40.7%\nJohn Jay Myers (L) 2.1% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Utah | Orrin Hatch | Republican | Orrin Hatch (R) 65.3%\nScott Howell (D) 30.0%\nShaun McCausland (C) 3.2% | 1976\n1982\n1988\n1994\n2000\n2006\n2012 | Retiring | [Data unknown/missing. You can help!] |
| Vermont | Bernie Sanders | Independent | Bernie Sanders (I) 71%\nJohn MacGovern (R) 24.9%\nCris Ericson (Marijuana Party) 2% | 2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Virginia | Tim Kaine | Democratic | Tim Kaine (D) 52.9%\nGeorge Allen (R) 47% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Washington | Maria Cantwell | Democratic | Maria Cantwell (D) 60.5%\nMichael Baumgartner (R) 39.5% | 2000\n2006\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| West Virginia | Joe Manchin | Democratic | Joe Manchin (D) 60.6%\nJohn Raese (R) 36.5%\nBob Henry Baber (G) 3.0% | 2010\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Wisconsin | Tammy Baldwin | Democratic | Tammy Baldwin (D) 51.4%\nTommy Thompson (R) 45.5%\nJoseph Kexel (L) 2.1% | 2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| Wyoming | John Barrasso | Republican | John Barrasso (R) 75.7%\nTim Chestnut (D) 21.7%\nJoel Otto (Wyoming Country) 2.6% | 2008 (special)\n2012 | [Data unknown/missing. You can help!] | [Data unknown/missing. You can help!] |
| State\n(linked to\nsummaries below) | Incumbent | Incumbent | Incumbent | Most recent election results | 2018 intent | Candidates |
| State\n(linked to\nsummaries below) | Senator | Party | Electoral\nhistory | Most recent election results | 2018 intent | Candidates |


Question
how many total states have election results from 2000?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["6"]