user: Question: What was the competition when the score was 3-0?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['5 June 1999', 'Tofiq Bahramov Stadium , Baku ,', '3-0', '4–0', 'Euro 2000 qualifying']
SQL:

assistant: SELECT "Competition" FROM "Table" WHERE "Score" = '3-0';