user: Question: What was the time when his opponent was Rudy Martin?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '20-10-1 (2)', 'Andrei Arlovski', 'Decision (unanimous)', 'WSOF 5', 3.0, '5:00', 'Atlantic City, New Jersey , United States']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Opponent" = 'Rudy Martin';