Conversation so far:
What was Tinashe's Aquarius?
Aquarius is the debut studio album by American singer Tinashe.
Was Tinashe's album Aquarius a hit?
Aquarius received generally positive reviews from music critics.
What were some of the singles off of Tinashe's album Aquarius?
2 On, Pretend, and All Hands on Deck“

Question: How many singles off that album were hits?
Self-contained rewrite: How many singled off Tinashe's album Aquarius were hits?