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_9 (body_length_mm INTEGER, lead_pitch_mm INTEGER)
### Question:
Which Body Length/mm has a Lead Pitch/mm smaller than 0.5?
### Answer:
SELECT AVG(body_length_mm) FROM table_name_9 WHERE lead_pitch_mm < 0.5