user: Question: What was the first leg score of the matchup with a 2nd leg of 80-70?
Columns: ['Team #1', 'Agg.', 'Team #2', '1st leg', '2nd leg']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['EiffelTowers Den Bosch', '166-130', 'KK AMAK', '94-66', '72-64']
SQL:

assistant: SELECT "1st leg" FROM "Table" WHERE "2nd leg" = '80-70';