user: Question: On what date were the 1997 Bridgetown games in which a Martinique girl competed?
Columns: ['Event', 'Record', 'Nationality', 'Date', 'Games']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['100 m', '11.28 (heat)', 'Bermuda', '11 April 1998', '1998 Port of Spain']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Nationality" = 'Martinique' AND "Games" = '1997 Bridgetown';