user: Question: Name the most losses for Leslie Mann
Columns: ['Year (affiliation)', 'Wins', 'Losses', 'Winning Pct.', 'GB (Division Standing)', 'Manager']
Types: ['text', 'real', 'real', 'text', 'text', 'text']
Sample row: ['1924 (Independent)', 70.0, 60.0, '.539', '-15.5 (4th out of 8)', 'Steve Yerkes /Mickey LaLonge/Glen Killinger']
SQL:

assistant: SELECT MAX("Losses") FROM "Table" WHERE "Manager" = 'Leslie Mann';