user: Question: Which opponent has a time of 1:50?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Loss', '4-1', 'Catia Vitoria', 'TKO (punches)', 'Playboy Fight Night 4', 3.0, '3:59', 'New Town, North Dakota , United States']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Time" = '1:50';