user: Question: What episode number in the series originally aired on February 25, 2001?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: [17.0, 1.0, '"Traffic Jam"', 'Todd Holland', 'Dan Kopelman', 'November 5, 2000', '06-00-204']
SQL:

assistant: SELECT "No. in series" FROM "Table" WHERE "Original air date" = 'February 25, 2001';