user: Question: What was the 2nd leg score for the tie that had a 5-0 first leg score?
Columns: ['Team 1', 'Agg.', 'Team 2', '1st leg', '2nd leg']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Iwuanyanwu Nationale', '4-3', 'Tonnerre Yaoundé', '2-0', '2-3']
SQL:

assistant: SELECT "2nd leg" FROM "Table" WHERE "1st leg" = '5-0';