user: Question: The tournament Buick Classic occured on what dates?
Columns: ['No.', 'Date', 'Tournament', 'Winning score', 'To par', 'Margin of victory', 'Runner-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Feb 16, 1992', 'Northern Telecom Open', '71-67-67-65=270', '–18', '1 stroke', 'Bill Britton']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Tournament" = 'Buick Classic';