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

### Instruction:
What is the year of daylight service when the builder was Alco?

### Inputs:
table_name: table, columns: ['Builder', 'Model', 'Years of Daylight Service', 'Retired', 'Current Disposition']

### Response:
SELECT Years of Daylight Service FROM table WHERE Builder = alco