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

### Instruction:
What is the Date of Issue with a Theme with mental health?

### Inputs:
table_name: table, columns: ['Date of Issue', 'Theme', 'Design', 'Illustration', 'Paper Type', 'First Day Cover Cancellation']

### Response:
SELECT Date of Issue FROM table WHERE Theme = mental health