CREATE TABLE table_203_545 (id NUMBER, "single/ep" CLOB, "release date" CLOB, "label" CLOB, "format ( s ) " CLOB, "uk singles chart position" NUMBER, "notes" CLOB)

what label was appears the most ?
SELECT "label" FROM table_203_545 GROUP BY "label" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "label" FROM "table_203_545" GROUP BY "label" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY