CREATE TABLE table_57441 ("Date" CLOB, "Tournament" CLOB, "Location" CLOB, "Purse (  $  ) " FLOAT, "Winner" CLOB, "Score" CLOB, "1st Prize (  $  ) " CLOB)

When was the general foods pga seniors' championship tournament?
SELECT "Date" FROM table_57441 WHERE "Tournament" = 'general foods pga seniors'' championship'
SELECT "Date" FROM "table_57441" WHERE "Tournament" = 'general foods pga seniors'' championship'