Conversation so far:
What kind of songs were on the album Rubber Soul by The Beatles?
Author Andrew Grant Jackson describes the album Rubber Soul by The Beatles as a synthesis of folk, rock, soul, baroque, proto-psychedelia, and the sitar.
Was the album Rubber Soul by The Beatles considered a hit?
The album Rubber Soul by The Beatles met with a highly favourable critical response and topped sales charts in Britain and the United States for several weeks.
How many copies of the album Rubber Soul by The Beatles were sold?
The album Rubber Soul by The Beatles was certified 6 times platinum by the RIAA in 1997, indicating shipments of at least six million copies in the US.

Question: What number was this album for the The Beatles?
Self-contained rewrite: What number was the album Rubber Soul for the The Beatles?