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 : However, in 644, Hormuzan was killed by Umar's son 'Ubaid-Allah, after an involvement in a plot which killed Umar. 
Question : Which war did Hormuzan participate in?

Answer: conflict


Question: Context : Pointe du Hoc (French pronunciation: ​(pwɛ̃t dy ɔk)) is a promontory with a 100 ft (30 m) cliff overlooking the English Channel on the coast of Normandy in northern France. 
Question : When did Pointe du Hoc occurr?

Answer: point in time


Question: Context : Francis Heaulme (born February 25, 1959 at Metz) is a French serial killer dubbed the ``Criminal Backpacker''. 
Question : Which crime led to the conviction of Francis Heaulme?

Answer:
convicted of