Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| # | Date | Venue | Opponent | Score | Result | Competition |
| --- | --- | --- | --- | --- | --- | --- |
| 1. | 16 November 2005 | Tehelné pole, Bratislava, Slovakia | Spain | 1–0 | 1–1 | 2006 FIFA World Cup play-offs |
| 2. | 20 May 2006 | Štadión Antona Malatinského, Trnava, Slovakia | Belgium | 1–0 | 1–1 | Friendly |
| 3. | 13 October 2007 | Štadión Zimný, Dubnica, Slovakia | San Marino | 5–0 | 7–0 | UEFA Euro 2008 qualifying |
| 4. | 21 November 2007 | Stadio Olimpico, Serravalle, San Marino | San Marino | 0–2 | 0–5 | UEFA Euro 2008 qualifying |
| 5. | 9 September 2009 | Windsor Park, Belfast, Northern Ireland | Northern Ireland | 0–2 | 0–2 | 2010 FIFA World Cup qualification |
| 6. | 3 September 2010 | Pasienky, Bratislava, Slovakia | Macedonia | 1–0 | 1–0 | UEFA Euro 2012 qualification |
| 7. | 29 March 2011 | Štadión Antona Malatinského, Trnava, Slovakia | Denmark | 1–1 | 1–2 | Friendly |
Question:
what were the number of times san marino was an opponent?
Answer:
2