user: Question: Who has a round of 3 with a method of Decision?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Loss', '20–10–1', 'Andrei Arlovski', 'TKO (punches)', 'World Series of Fighting 1', '1']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Round" = '3' AND "Method" = 'Decision';