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

### Instruction:
What was the first day cover cancellation for the University of Saskatchewan themed stamp?

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

### Response:
SELECT First Day Cover Cancellation FROM table WHERE Theme = University of Saskatchewan