CREATE TABLE table_257 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Purse (  $  ) " FLOAT, "Winner" TEXT, "Score" TEXT, "1st Prize (  $  ) " FLOAT)

When was the game in Mexico played?
SELECT "Date" FROM table_257 WHERE "Location" = 'Mexico'
SELECT "Date" FROM "table_257" WHERE "Location" = 'Mexico'