user: Question: Which Date has a Result of W, and a Score of 3-0?
Columns: ['Date', 'City', 'Result', 'Score', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['February 21, 1976', 'Brasília', 'W', '1-0', 'International Friendly (unofficial match)']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Result" = 'W' AND "Score" = '3-0';