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

### Instruction:
Which air dates have 1.229 canadian viewers (millions)?

### Inputs:
table_name: table, columns: ['No.', '#', 'Title', 'Directed by', 'Written by', 'Canadian air date', 'U.S. air date', 'Production code', 'Canadian viewers (million)']

### Response:
SELECT U.S. air date FROM table WHERE Canadian viewers (million) = 1.229