CREATE TABLE table_name_75 (episode__number NUMBER, episode_name VARCHAR2)

What is the average episode # with a name of the origin of Donnie (part 1)?
SELECT AVG(episode__number) FROM table_name_75 WHERE episode_name = "the origin of donnie (part 1)"
SELECT AVG("episode__number") FROM "table_name_75" WHERE "episode_name" = "the origin of donnie (part 1)"