Conversation so far:
Did Freddie King  get picked up by Federal Records?
Syd Nathan, signed Freddie King to the subsidiary Federal Records in 1960
What did Freddie King do with Ferderal Records?
Freddie King recorded his debut single for the label
Did Freddie King's Debut single for the label do well?
the son reached the Billboard Hot 100 pop chart.

Question: How many copies did it sell?
Self-contained rewrite: How many copies did it sell?