user: Question: what is the method for round 1 and the opponent is Bobby McMaster?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Win', '15-7 (1)', 'James Marino', 'Submission (rear naked choke)', 'Tabernacle Fight Party 2', 1.0, '3:26', 'Atlanta, Georgia , United States']
SQL:

assistant: SELECT "Method" FROM "Table" WHERE "Round" = 1.0 AND "Opponent" = 'Bobby McMaster';