user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'List of presidents' regarding 'List of Presidents of the New Progressive Party (Puerto Rico)'
Table Content:
| # | Portrait | Name | Term start | Term end | Previous public posts |
| --- | --- | --- | --- | --- | --- |
| 1 | Luis A. Ferré | Luis A. Ferré | 1967 | 1974 | President of the Puerto Rico Senate Governor |
| 2 | Carlos Romero Barceló | Carlos Romero Barceló | 1974 | 1987 | Mayor of San Juan Governor Resident Commissioner |
| 3 | Baltasar Corrada del Río | Baltasar Corrada del Río | 1987 | 1988 | Resident Commissioner of Puerto Rico Mayor of San Juan Secretary of State Associate Justice of the Puerto Rico Supreme Court |
| 4 | - | Ramón Luis Rivera | 1988 | 1989 | Puerto Rico House of Representatives Mayor of Bayamón |
| 5 | Carlos Romero Barceló | Carlos Romero Barceló | 1989 | 1991 | Mayor of San Juan Governor Resident Commissioner |
| 6 | Pedro Rosselló | Pedro Rosselló | 1991 | 1999 | Governor Puerto Rico Senate |
| 7 | - | Carlos Pesquera | 1999 | 2000 | Secretary of Transportation |
| 8 | - | Norma Burgos | 2000 | 2001 | Secretary of State Puerto Rico Senate |
| 9 | - | Leonides Díaz Urbina | 2001 | 2001 | Puerto Rico House of Representatives |
| 10 | - | Carlos Pesquera | 2001 | 2003 | Secretary of Transportation |
| 11 | Pedro Rosselló | Pedro Rosselló | 2003 | 2008 | Governor Puerto Rico Senate |
| 12 | Luis Fortuño | Luis Fortuño | 2008 | 2013 | Resident Commissioner Governor |
| 13 | Pedro Pierluisi | Pedro Pierluisi | 2013 | 2016 | Secretary of Justice Resident Commissioner |
| 14 | Ricardo Rosselló | Ricardo Rosselló | 2016 | present | None |


Question
Who is the first president and how long was he/she in the position?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["The first president was Luis A. Ferré, who served 7 years from 1967 to 1974."]