CREATE TABLE table_50875 ("Show" TEXT, "Last Aired" FLOAT, "Previous Network" TEXT, "Retitled as/Same" TEXT, "New/Returning/Same Network" TEXT, "Returning" TEXT)

Which retitled network has a Show of supermarket sweep?
SELECT "Retitled as/Same" FROM table_50875 WHERE "Show" = 'supermarket sweep'
SELECT "Retitled as/Same" FROM "table_50875" WHERE "Show" = 'supermarket sweep'