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

### Instruction:
What is the head of government for Don Stephen Senanayake?

### Inputs:
table_name: table, columns: ['Name', 'Party', 'Tenure', 'Head(s) of Government', 'Ministerial title']

### Response:
SELECT Head(s) of Government FROM table WHERE Name = don stephen senanayake