user: Question: What is Time, when Round is "3", when Method is "Decision (unanimous)", and when Record is "7-3"?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '12-6', 'James Wood', 'Decision (unanimous)', 'Victory Fighting Championship 38', 5.0, '5:00', 'Ralston, Nebraska , United States']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Round" = 3.0 AND "Method" = 'Decision (unanimous)' AND "Record" = '7-3';