user: Question: What is Record, when Location is "Des Moines, Iowa , United States", and when Method is "Submission (arm-triangle choke)"?
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 "Record" FROM "Table" WHERE "Location" = 'Des Moines, Iowa , United States' AND "Method" = 'Submission (arm-triangle choke)';