CREATE TABLE table_13471 ("Event" CLOB, "Record" CLOB, "Nationality" CLOB, "Date" CLOB, "Games" CLOB)

On what date were the 1997 Bridgetown games in which a Martinique girl competed?
SELECT "Date" FROM table_13471 WHERE "Nationality" = 'martinique' AND "Games" = '1997 bridgetown'
SELECT "Date" FROM "table_13471" WHERE "Games" = '1997 bridgetown' AND "Nationality" = 'martinique'