user: Question: When is the air date that demo-ed at 1.6/5?
Columns: ['Episode #', 'Title', 'Air Date', 'Demo', 'Viewers']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, '"Episode 101"', 'June 7, 2007', '1.9/7', '5.62million']
SQL:

assistant: SELECT "Air Date" FROM "Table" WHERE "Demo" = '1.6/5';