user: Question: What is the lowest episode # with an air date of October 31, 2001?
Columns: ['Episode #', '# in Season', 'Episode Name', 'Airdate', 'Location']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [78.0, 1.0, 'The Origin of Donnie (Part 1)', 'August 18, 2001', 'Borneo , Indonesia']
SQL:

assistant: SELECT MIN("Episode #") FROM "Table" WHERE "Airdate" = 'October 31, 2001';