Question: What is the name of the war in which the 4th Infantry Regiment of the Imperial Japanese Army fought the Republic of China from July 7, 1937 to September 9, 1945?
Sentence (from "Gyosaku Morozumi"): The IJA 65th Regiment was one of the units at the Battle of Nanking in 1937 during the Second Sino-Japanese War and was accused of the massacre of prisoners of war following the battle's end.
Relevant evidence: No