CREATE TABLE table_76696 ("Position" CLOB, "Team #1" CLOB, "Agg." CLOB, "Team #2" CLOB, "1st leg" CLOB, "2nd leg" CLOB)

What is the 1st leg with a 4-3 agg.?
SELECT "1st leg" FROM table_76696 WHERE "Agg." = '4-3'
SELECT "1st leg" FROM "table_76696" WHERE "Agg." = '4-3'