CREATE TABLE table_57036 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Purse (  $  ) " FLOAT, "Winner" TEXT, "Score" TEXT, "1st Prize (  $  ) " FLOAT)

On what date was the gte north classic tournament?
SELECT "Date" FROM table_57036 WHERE "Tournament" = 'gte north classic'
SELECT "Date" FROM "table_57036" WHERE "Tournament" = 'gte north classic'