Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
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Question: Context : 90 Tauri (90 Tau) is a star in the constellation Taurus. 
Answer : Taurus

Answer: What constellation is 90 Tauri part of?


Question: Context : Rudolf Roy Jr. (15 August 1920 -- 17 December 1944) was a Untersturmführer (Second Lieutenant) in the Waffen SS during World War II, awarded the Knight's Cross of the Iron Cross, which was awarded to recognize extreme battlefield bravery or successful military leadership by Nazi Germany during World War II. 
Answer : Knight's Cross of the Iron Cross

Answer: What was the award received by Rudolf Roy?


Question: Context : The commune of Arcueil was officially renamed Arcueil-Cachan in 1894, after the hamlet of Cachan located within the commune. 
Answer : Cachan

Answer:
What was replaced Arcueil?