user: Question: What was the original air date of the episode that was directed by Jessica Landaw?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [44.0, 1.0, '"The Widow\'s Son in the Windshield"', 'Ian Toynton', 'Hart Hanson', 'September25,2007', '3AKY01', '8.40']
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "Directed by" = 'Jessica Landaw';