user: Question: Which Round has a Method of Decision (unanimous), and an Event of UFC 145?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Loss', '34–17 (1)', 'Wills Brooks', 'Decision (unanimous)', 'Bellator 101', '3', 'Portland, Oregon , United States']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Method" = 'Decision (unanimous)' AND "Event" = 'UFC 145';