user: Question: What date was the Competition of Rothmans Cup?
Columns: ['Date', 'Venue', 'Score', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['8 September 1999', "Ta' Qali Stadium , Ta' Qali , Malta", '1-2', '2-3', 'UEFA Euro 2000 qualifying']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Competition" = 'Rothmans Cup';