What are all the distinct last names of all the engineers?
CREATE TABLE Maintenance_Engineers (
    last_name VARCHAR
)
SELECT DISTINCT last_name FROM Maintenance_Engineers
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What are all the distinct last names of all the engineers? ### Input: CREATE TABLE Maintenance_Engineers (
    last_name VARCHAR
) ### Response: SELECT DISTINCT last_name FROM Maintenance_Engineers