user: Question: What is the Date of the Competition with a Result of 3–0?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['28 February 1984', 'Hampden Park , Glasgow', '1–0', '2–1', 'British Home Championship']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Result" = '3–0';