CREATE TABLE table_52639 ("Date" CLOB, "Competition" CLOB, "Venue" CLOB, "Result" CLOB, "Score" CLOB, "Goals" CLOB)

Which competition was at wilderspool?
SELECT "Competition" FROM table_52639 WHERE "Venue" = 'wilderspool'
SELECT "Competition" FROM "table_52639" WHERE "Venue" = 'wilderspool'