CREATE TABLE table_name_96 (episode__number NUMBER, viewers VARCHAR2, share VARCHAR2, rank VARCHAR2)

What is the average Episode # with a share of 9, and #35 is rank and less than 8.21 viewers?
SELECT AVG(episode__number) FROM table_name_96 WHERE share = 9 AND rank = "#35" AND viewers < 8.21
SELECT AVG("episode__number") FROM "table_name_96" WHERE "#35" = "rank" AND "share" = 9 AND "viewers" < 8.21