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.

Q: Context : Udo Cordes (22 July 1921 -- 7 March 2007) was a highly decorated Oberleutnant in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross. 
Question : What award was received by Udo Cordes?

A: award received
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Q: Context : Henri-Joseph Paixhans (French pronunciation: ​(pɛksɑ̃); January 22, 1783, Metz -- August 22, 1854, Jouy-aux-Arches) was a French artillery officer of the beginning of the 19th century. 
Question : Which college or university is related with Henri-Joseph Paixhans?

A: educated at
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Q: Context : On 3 February 1966 the Luna 9 spacecraft became the first spacecraft to achieve a soft landing on the Moon, or any planetary body other than Earth, and to transmit photographic data to Earth from the surface of another planetary body. 
Question : What series is the episode Luna 9 part of?

A:
series
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