user
Instruction
Answer the question based on the provided table.


Table
Table Title: Tom Neal
Table Content:
| Result | Record | Opponent | Method | Date | Round | Location |
| --- | --- | --- | --- | --- | --- | --- |
| Loss | 31-3-0 | J.H. Isbell | KO | 1934 Mar 31 | 2 | Cambridge, Massachusetts |
| Loss | 31-2-0 | "Modest" Bill Smith | KO | 1934 Feb 27 | 2 | Cambridge, Massachusetts |
| Win | 31-1-0 | Frankie Hagen | KO | 1934 Feb 24 | 1 | Cambridge, Massachusetts |
| Win | 30-1-0 | Harry Gardner | KO | 1934 Feb 21 | 1 | Cambridge, Massachusetts |
| Win | 29-1-0 | Sid Stoneman | KO | 1934 Feb 14 | 1 | Cambridge, Massachusetts |
| Win | 28-1-0 | Frankie Hagan | PTS | 1934 Jan 30 | 3 | Cambridge, Massachusetts |
| Win | 27-1-0 | Basil Barnett | KO | 1934 Jan 24 | 2 | Cambridge, Massachusetts |
| Win | 26-1-0 | George Krause | KO | 1934 Jan 16 | 1 | Cambridge, Massachusetts |
| Win | 25-1-0 | Bob Delmont | KO | 1934 Jan 07 | 1 | Cambridge, Massachusetts |
| Loss | 24-1-0 | Brad Simmons | KO | 1934 Jan 01 | 1 | Cambridge, Massachusetts |
| Win | 24-0-0 | Herman Zeinman | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 23-0-0 | William Beltran | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 22-0-0 | Lloyd Blake | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 21-0-0 | Lawrence "Larry" O'Neil | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 20-0-0 | Igg Rosenberg | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 19-0-0 | Melvin Kenyon | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 18-0-0 | Gary Keers | KO | 1933 | 1 | Cambridge, Massachusetts |
| Win | 17-0-0 | Samuel Rodgway | KO | 1933 May 28 | 1 | Cambridge, Massachusetts |
| Exch | 16-0-0 | "Irish" Tommy Mitchell | KO | 1933 May 21 | 1 | Cambridge, Massachusetts |
| Win | 15-0-0 | Jim Crawford | KO | 1933 May 14 | 1 | Cambridge, Massachusetts |
| Win | 14-0-0 | Max Levine | KO | 1933 May 7 | 1 | Cambridge, Massachusetts |
| Win | 13-0-0 | Leo Hart | KO | 1933 May 1 | 1 | Cambridge, Massachusetts |
| Win | 12-0-0 | Paul Benjamin | PTS | 1932 | 3 | Evanston, Illinois |
| Win | 11-0-0 | Fred Chapman | KO | 1932 | 3 | Evanston, Illinois |
| Win | 10-0-0 | Paul Benjamin | KO | 1932 | 3 | Evanston, Illinois |
| Win | 9-0-0 | Rod Conley | KO | 1932 | 2 | Evanston, Illinois |
| Win | 8-0-0 | Paul Gilmore | KO | 1932 | 1 | Chicago, Illinois |
| Win | 7-0-0 | Jack Lewis | KO | 1932 | 3 | Chicago, Illinois |
| Exch | 6-0-0 | Eddie Mitchell | KO | 1932 | 1 | Chicago, Illinois |
| Win | 5-0-0 | Ernest Brant | KO | 1932 | 1 | Chicago, Illinois |
| Win | 4-0-0 | Karl Brenner-Eggers | KO | 1932 | 1 | Chicago, Illinois |
| Win | 3-0-0 | Norman Martin | PTS | 1932 | 3 | Chicago, Illinois |
| Win | 2-0-0 | Albert Leikman | KO | 1932 | 1 | Chicago, Illinois |
| Win | 1-0-0 | Keith Newman | KO | 1932 | 1 | Chicago, Illinois |


Question
how long was tom neal an amateur boxer?


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