user: Question: Which Notre Dame coach lost 15 games?
Columns: ['Years', 'Coach', 'Seasons', 'Wins', 'Losses', 'Ties', 'Pct.']
Types: ['text', 'text', 'real', 'real', 'real', 'text', 'text']
Sample row: ['1887–89, 1892–93', 'None', 5.0, 7.0, 4.0, '1', '.625']
SQL:

assistant: SELECT "Coach" FROM "Table" WHERE "Losses" = 15.0;