Conversation so far:
Who is Guru Arjan?
Guru Arjan was a prolific poet and composed 2,218 hymns.
What is interesting about this article?
Guru Arjan was a prolific poet and composed 2,218 hymns.

Question: Did he have any other major accomplishments?
Self-contained rewrite: Besides composing 2,218 hymns, did Guru Arjan have any other major accomplishments?