CREATE TABLE table_72104 ("Season" CLOB, "Competition" CLOB, "Round" CLOB, "Opponents" CLOB, "1st leg" CLOB, "2nd leg" CLOB, "Aggregate" CLOB)

what's the competition where 1st leg is 4-1 (h)
SELECT "Competition" FROM table_72104 WHERE "1st leg" = '4-1 (h)'
SELECT "Competition" FROM "table_72104" WHERE "1st leg" = '4-1 (h)'