SCHEMA:
CREATE TABLE table_name_89 (episode__number INTEGER, viewers__millions_ VARCHAR, rating VARCHAR)
USER:
What is the lowest numbered episode that had a rating/share of 0.9/4 and more than 3.79 million viewers?

QUERY:
SELECT MIN(episode__number) FROM table_name_89 WHERE rating / SHARE(18 AS –49) = 0.9 / 4 AND viewers__millions_ > 3.79