user: Question: What's the highest reign on March 10, 2007?
Columns: ['Wrestler', 'Reign', 'Date', 'Days held', 'Location', 'Event', 'Successful defenses']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: ['Erick Stevens', 1.0, 'March 10, 2007', '244', 'Crystal River, FL', 'Battle for the Belts', 12.0]
SQL:

assistant: SELECT MAX("Reign") FROM "Table" WHERE "Date" = 'March 10, 2007';