user: Question: What round was the game against Cedric Marks?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Loss', '30–14–1', 'Justin Salas', 'Decision (split)', 'UFC on Fox: Johnson vs. Moraga', '3']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Opponent" = 'Cedric Marks';