user: Question: What was the original air date of this episode that was written by Debbie Sarjeant?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [56.0, 1.0, '"Hostage (Part 1)"', 'Ted Demme', 'James Yoshimura', 'September20,1996', 501.0]
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "Written by" = 'Debbie Sarjeant';