You will be given a definition of a task first, then some input of the task.
This task involves creating questions from a given passage that involve some kind of complex reasoning (including numerical reasoning).
The generated questions must require looking at more than one part of the passage to answer. Try to use a variety of reasoning types in your questions (some of the sample reasoning types are illustrated in the 'positive examples' field) and also have a variety of answer types (spans, numbers, dates). A span is a continuous phrase taken directly from the passage or question. In such questions, the answer spans are recommended to be five words. Questions with answer type "number", are expected to start with "How many". For instance, "How long did an event last?" can be phrased as "How many years did an event last?". To increase diversity, try to create more questions for which the answer will be multiple spans. Please create questions that require AT LEAST 2 arithmetic operations as illustrated in the 'positive examples' field. You are encouraged to try DIFFERENT COMBINATIONS of operations and not just limit to the combinations shown in those examples. The more challenging questions you create, the better it is.

Passage: Julian Scherner was born on September 23, 1895 in the town of Bagamoyo in German East Africa, where he lived until the age of two. Scherner attended the cadet schools, Kadettenanstalt, Karlsruhe between October 1, 1905 and 1911 and Berlin-Lichterfield between 1911 and 1914. Scherner was enlisted in the infantrie rgt. 114 between March 15, 1912 and August 10, 1914. During this time, Scherner earned the rank of Fahnrich in April 1914 and received officer rank on August 5, 1914. In 1914, he joined the Reichsheer or Imperial army. Scherner served in World War 1 as a Zugfuhrer (military), Kompaniefuhrer, company commander and platoon leader. Scherner was injured by shell splinters and rifle fire in the ankle and head respectively and was hospitalized between 1914-1915. After Scherner was released from the hospital, in 1915, he returned to his military unit but was captured by the French in May 1915. Scherner was honored with the Iron Cross second class and the Wound Badge in black and subsequently discharged from the military on March 30, 1920 with the rank of Oberleutnant.
Output:
For how many years did Scherner attend Berlin-Lichterfield?