user: Question: When did series number 65 originally air?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Survivor count']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [56.0, 3.0, '" He That Believeth in Me "', 'Michael Rymer', 'Bradley Thompson & David Weddle', 'April4,2008', 39698.0]
SQL:

assistant: SELECT "Original air date" FROM "Table" WHERE "No. in series" = 65.0;