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

### Instruction:
Name the original air date for ai% for 83

### Inputs:
table_name: table, columns: ['Story No.', 'Episode', 'Title', 'Directed by', 'Written by', 'UK viewers (million)', 'AI (%)', 'Original air date', 'Production code']

### Response:
SELECT Original air date FROM table WHERE AI (%) = 83