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

### Instruction:
What is the Speed when Construction begun in 2010, and an Expected start of revenue services of 2015?

### Inputs:
table_name: table, columns: ['Line', 'Speed', 'Length', 'Construction begun', 'Expected start of revenue services']

### Response:
SELECT Speed FROM table WHERE Construction begun = 2010 AND Expected start of revenue services = 2015