SELECT "1st leg" FROM table_75968 WHERE "2nd leg" = '3-2'
What is the 1st leg of the match with a 2nd leg of 3-2?
CREATE TABLE table_75968 (
    "Team 1" text,
    "Agg." text,
    "Team 2" text,
    "1st leg" text,
    "2nd leg" text
)