Among the superheroes with the race of god/eternal, how many of them are male
race "god/eternal" refers to race_id = 21; male refers to gender.id = 1
SELECT COUNT(*) FROM superhero AS T1 INNER JOIN race AS T2 ON T1.race_id = T2.id INNER JOIN gender AS T3 ON T3.id = T1.gender_id WHERE T1.race_id = 21 AND T1.gender_id = 1