How much Body Width/mm has a Body Length/mm of 18.4, and Pins of 40?
CREATE TABLE table_name_50 (
    body_width_mm VARCHAR,
    body_length_mm VARCHAR,
    pins VARCHAR
)
SELECT COUNT(body_width_mm) FROM table_name_50 WHERE body_length_mm = 18.4 AND pins = "40"
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: How much Body Width/mm has a Body Length/mm of 18.4, and Pins of 40? ### Input: CREATE TABLE table_name_50 (
    body_width_mm VARCHAR,
    body_length_mm VARCHAR,
    pins VARCHAR
) ### Response: SELECT COUNT(body_width_mm) FROM table_name_50 WHERE body_length_mm = 18.4 AND pins = "40"