CREATE TABLE table_63986 ("Team #1" CLOB, "Agg." CLOB, "Team #2" CLOB, "1st leg" CLOB, "2nd leg" CLOB)

What was the first leg score of the matchup with a 2nd leg of 80-70?
SELECT "1st leg" FROM table_63986 WHERE "2nd leg" = '80-70'
SELECT "1st leg" FROM "table_63986" WHERE "2nd leg" = '80-70'