Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is Air Date, when Rating is "N/A", and when Weekly Winner is "Wedding DJ Chris Dixon"?

### Inputs:
table_name: table, columns: ['Air Date', 'Rating', '18-49', 'Viewers', 'Weekly Winner']

### Response:
SELECT Air Date FROM table WHERE Rating = n/a AND Weekly Winner = wedding dj chris dixon