What is the service chage of the boat howitzers with a 12-pdr light destination?
CREATE TABLE table_name_42 (
    service_charge VARCHAR,
    designation VARCHAR
)
SELECT service_charge FROM table_name_42 WHERE designation = "12-pdr light"
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 is the service chage of the boat howitzers with a 12-pdr light destination? ### Input: CREATE TABLE table_name_42 (
    service_charge VARCHAR,
    designation VARCHAR
) ### Response: SELECT service_charge FROM table_name_42 WHERE designation = "12-pdr light"