CREATE TABLE table_502 ("Season" CLOB, "Competition" CLOB, "Round" CLOB, "Club" CLOB, "1st leg" CLOB, "2nd leg" CLOB, "Aggregate" CLOB)

What is the competition when 2nd leg is 0 8?
SELECT "Competition" FROM table_502 WHERE "2nd leg" = '0–8'
SELECT "Competition" FROM "table_502" WHERE "2nd leg" = '0–8'