In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Passage: From 1 September 7 October 1939 Geyr commanded the 3rd Panzer Division during the invasion of Poland, where it was the most numerically powerful Panzer Division, with 391 tanks. For a victory at Kulm, he was praised by Hitler on the battlefield who had visited the division in recognition for its achievements in Poland. He was promoted to General der Kavallerie of the XXIV Panzer Corps on 15 February 1940. In 1940 he commanded the XXIV Panzer Corps in the Invasion of France. In 1941, in the invasion of the Soviet Union, Geyr's XXIV Panzer Corps was part of General Heinz Guderian's Second Panzer Army, and consisted of all of Guderian's major tank units. On 9 July 1941, he was awarded the Knight's Cross of the Iron Cross as General der Panzertruppe. By early November 1941, Geyr's Panzer Corps commanded the 3rd, 4th, and 17th Panzer Divisions, the panzer regiment from the 18th Panzer Division, as well as the Infantry Regiment Grodeutschland, and spearheaded the advance of Army Group Centre during the Battle of Moscow.
Link Information: Adolf Hitler (; 20 April 1889 30 April 1945) Question: How old was Hitler the year Geyr commanded the 3rd Panzer Division during the invasion of Poland?
A:
Answer: 50