Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_7 (years_of_daylight_service VARCHAR, builder VARCHAR)
### Question:
What is the year of daylight service when the builder was Alco?
### Answer:
SELECT years_of_daylight_service FROM table_name_7 WHERE builder = "alco"