user: Question: What did Xavier Doherty (Tasmania) set as his highest Overs?
Columns: ['Player', 'Overs', 'Figures', 'Opponent', 'Ground']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Shane Harwood (Victoria)', 9.5, '5/45', 'South Australia', 'Adelaide Oval']
SQL:

assistant: SELECT MAX("Overs") FROM "Table" WHERE "Player" = 'Xavier Doherty (Tasmania)';