CREATE TABLE table_204_596 (id DECIMAL, "year" DECIMAL, "winners" TEXT, "score" TEXT, "runners up" TEXT, "notes" TEXT)

who had the most wins : shelfield athletic or sutton coldfield town ?
SELECT "winners" FROM table_204_596 WHERE "winners" IN ('shelfield athletic', 'sutton coldfield town') GROUP BY "winners" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "winners" FROM "table_204_596" WHERE "winners" IN ('shelfield athletic', 'sutton coldfield town') GROUP BY "winners" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1