CREATE TABLE table_203_531 (id DECIMAL, "date" TEXT, "tournament" TEXT, "location" TEXT, "winner" TEXT, "score" TEXT, "1st prize  ( $ ) " DECIMAL)

which state hosted the most pga tour tournaments ?
SELECT "location" FROM table_203_531 GROUP BY "location" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "location" FROM "table_203_531" GROUP BY "location" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1