CREATE TABLE table_16946 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Purse (  $  ) " FLOAT, "Winner" TEXT, "Score" TEXT, "1st Prize (  $  ) " FLOAT)

what's the location where tournament is raley's senior gold rush
SELECT "Location" FROM table_16946 WHERE "Tournament" = 'Raley''s Senior Gold Rush'
SELECT "Location" FROM "table_16946" WHERE "Tournament" = 'Raley\'s Senior Gold Rush'