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:
| Goal | Date | Venue | Opponent | Score | Result | Competition |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | 10 October 1998 | Tyencastle Park, Edinburgh | Estonia | 1–1 | 3–2 | ECQG9 |
| 2 | 10 October 1998 | Tyencastle Park, Edinburgh | Estonia | 3–2 | 3–2 | ECQG9 |
| 3 | 14 October 1998 | Pittodrie Stadium, Aberdeen | Faroe Islands | 2–0 | 2–1 | ECQG9 |
| 4 | 4 September 1999 | Olimpijski Stadion, Sarajevo | Bosnia and Herzegovina | 2–1 | 2–1 | ECQG9 |
| 5 | 24 March 2001 | Hampden Park, Glasgow | Belgium | 1–0 | 2–2 | WCQG6 |
| 6 | 24 March 2001 | Hampden Park, Glasgow | Belgium | 2–0 | 2–2 | WCQG6 |
| 7 | 28 March 2001 | Hampden Park, Glasgow | San Marino | 3–0 | 4–0 | WCQG6 |
Question:
what was the only opponent that had a result of 4-0?
Answer:
San Marino