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_25695027_1 (class VARCHAR, years_built VARCHAR)
### Question:
What was the engine class that was built on 1906-08?
### Answer:
SELECT class FROM table_25695027_1 WHERE years_built = "1906-08"