In this task, you are given a question. You have to answer the question based on your information.
Example: Roman Yakub won first price in a Choral Composition Competition at a liberal arts college founded by who?
Example solution: William Egbert
Example explanation: This is a good example, and output correctly answers the question.

Problem: Who were the two parties fighting in the war where Kajiwara Heima served as karō?
Solution: Tokugawa shogunate and those seeking to return political power to the Imperial Court