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

who won before walsall wood in 1952 ?
SELECT "winners" FROM table_204_596 WHERE "year" < 1952 ORDER BY "year" DESC LIMIT 1
SELECT "winners" FROM "table_204_596" WHERE "year" < 1952 ORDER BY "year" DESC NULLS LAST LIMIT 1