Conversation so far:
What was one of Sonny James's hits?
"Young Love".
When was it released?
In late 1956.
How well did it do on the music charts?
it topped both the US country and pop music charts in.
How long did it top the pop music charts?
January to February 1957.

Question: How many records did it sell?
Self-contained rewrite: How many records did Young Love sell?