CREATE TABLE table_name_9 (body_length_mm NUMBER, lead_pitch_mm NUMBER)

Which Body Length/mm has a Lead Pitch/mm smaller than 0.5?
SELECT AVG(body_length_mm) FROM table_name_9 WHERE lead_pitch_mm < 0.5
SELECT AVG("body_length_mm") FROM "table_name_9" WHERE "lead_pitch_mm" < 0.5