user: Question: What was the total number of episodes that had a 3-1 vote?
Columns: ['Episode', 'Airdate', 'Reward', 'Immunity', 'Eliminated', 'Vote', 'Finish']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '28 October 2001', 'Água', 'Fogo', 'Bisteka', '3-2-1', '1st Voted Out Day 3']
SQL:

assistant: SELECT COUNT("Episode") FROM "Table" WHERE "Vote" = '3-1';