Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
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Question: Context : The first astronomer to record the Butterfly Cluster's existence was Giovanni Battista Hodierna in 1654. 
Question : What constellation is where Butterfly Cluster is?

Answer: constellation


Question: Context : Philipp Krementz was born, the son of a butcher, in Koblenz in 1837 and began to study theology in Bonn, which he continued in Munich in 1839. 
Question : What was the death date of Philipp Krementz?

Answer: date of death


Question: Context : Simretu Alemayehu (born September 17, 1970) is a retired male long-distance runner from Ethiopia, who competed for his native country at the 2000 Summer Olympics. 
Question : What is the gender Simretu Alemayehu is known by?

Answer:
sex or gender