What is the average height of the male Olympic competitors from Finland?
DIVIDE(SUM(height), COUNT(id)) where region_name = 'Finland' and gender = 'M';
SELECT AVG(T3.height) FROM noc_region AS T1 INNER JOIN person_region AS T2 ON T1.id = T2.region_id INNER JOIN person AS T3 ON T2.person_id = T3.id WHERE T1.region_name = 'Finland' AND T3.gender = 'M'