user
Instruction
Answer the question based on the provided table.


Table
Table Title: Tommy Robredo career statistics
Table Content:
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
| --- | --- | --- | --- | --- | --- | --- |
| Runner-up | 1. | 15 April 2001 | Grand Prix Hassan II, Casablanca, Morocco | Clay | Guillermo Cañas | 5–7, 2–6 |
| Winner | 1. | 29 July 2001 | Orange Warsaw Open, Sopot, Poland | Clay | Albert Portas | 1–6, 7–5, 7–6(7–2) |
| Runner-up | 2. | 20 July 2003 | Mercedes Cup, Stuttgart, Germany | Clay | Guillermo Coria | 2–6, 2–6, 1–6 |
| Winner | 2. | 2 May 2004 | Torneo Godó, Barcelona, Spain | Clay | Gastón Gaudio | 6–3, 4–6, 6–2, 3–6, 6–3 |
| Runner-up | 3. | 1 May 2005 | Estoril Open, Estoril, Portugal | Clay | Gastón Gaudio | 1–6, 6–2, 1–6 |
| Runner-up | 4. | 30 April 2006 | Torneo Godó, Barcelona, Spain | Clay | Rafael Nadal | 4–6, 4–6, 0–6 |
| Winner | 3. | 21 May 2006 | Hamburg Masters, Hamburg, Germany | Clay | Radek Štěpánek | 6–1, 6–3, 6–3 |
| Winner | 4. | 16 July 2006 | Swedish Open, Båstad, Sweden | Clay | Nikolay Davydenko | 6–2, 6–1 |
| Runner-up | 5. | 14 January 2007 | Heineken Open, Auckland, New Zealand | Hard | David Ferrer | 4–6, 2–6 |
| Winner | 5. | 5 August 2007 | Orange Warsaw Open, Sopot, Poland (2) | Clay | José Acasuso | 7–5, 6–0 |
| Runner-up | 6. | 16 September 2007 | China Open, Beijing, China | Hard (i) | Fernando González | 1–6, 6–3, 1–6 |
| Winner | 6. | 7 October 2007 | Open de Moselle, Metz, France | Hard (i) | Andy Murray | 0–6, 6–2, 6–3 |
| Runner-up | 7. | 15 June 2008 | Orange Warsaw Open, Warsaw, Poland | Clay | Nikolay Davydenko | 3–6, 3–6 |
| Winner | 7. | 13 July 2008 | Swedish Open, Båstad, Sweden (2) | Clay | Tomáš Berdych | 6–4, 6–1 |
| Winner | 8. | 14 February 2009 | Brasil Open, Costa do Sauípe, Brazil | Clay | Thomaz Bellucci | 6–3, 3–6, 6–4 |
| Winner | 9. | 22 February 2009 | Copa Telmex, Buenos Aires, Argentina | Clay | Juan Mónaco | 7–5, 2–6, 7–6(7–5) |
| Winner | 10. | 6 February 2011 | Chile Open, Santiago, Chile | Clay | Santiago Giraldo | 6–2, 2–6, 7–6(7–5) |
| Winner | 11. | 14 April 2013 | Grand Prix Hassan II, Casablanca, Morocco | Clay | Kevin Anderson | 7–6(8–6), 4–6, 6–3 |
| Winner | 12. | 28 July 2013 | ATP Vegeta Croatia Open Umag, Umag, Croatia | Clay | Fabio Fognini | 6–0, 6–3 |


Question
which country has the most opponent


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