Detailed Instructions: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Q: The 1st Battle of Kharkov, so named by Wilhelm Keitel, was the 1941 tactical battle for the city of Kharkov (now "Kharkiv") (Ukrainian SSR) during the final phase of Operation "Barbarossa" between the German 6th Army of Army Group South and the Soviet Southwestern Front. The Soviet 38th Army was ordered to defend the city while its factories were dismantled for relocation farther east. Question: What German Field Marshal coined the name 1st Battle of Khaskov in Worl War 2? Answer: Wilhelm Keitel
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The 1st Battle of Kharkov, so named by Wilhelm Keitel, was the 1941 tactical battle for the city of Kharkov now Kharkiv Ukrainian SSR during the final phase of Operation Barbarossa between the German 6th Army of Army Group South and the Soviet Southwestern Front.