user: Question: When did the episodes first air that had a production code of 107?
Columns: ['No. overall', 'Title', 'Director', 'Writer', 'Original air date', 'Production code']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, '"Episode 1"', 'Richard Dale', 'Tim Loane', '21March2001', 101.0]
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "Production code" = 107.0;