user: Question: What date was a Friendly match played that ended in a 3-0 score?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2 June 1992', 'Bremen , Germany', '1-1', '1-1', 'Friendly match']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Result" = '3-0' AND "Competition" = 'Friendly match';