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 : Born at Lisbon, Andreas de Escobar joined the Dominicans and then the Augustinians before becoming a Benedictine monk. 
Question : On what date did Andreas de Escobar die?

Answer: date of death


Question: Context : ISO 3166-2:NG is the entry for Nigeria in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:NG?

Answer: standards body


Question: Context : The 1957 Aqaba Valetta accident happened on the 17 April 1957 when a twin-engined Vickers Valetta C.1 transport aircraft, serial number VW832, of 84 Squadron, Royal Air Force crashed and was destroyed after departing from Aqaba Airport in Jordan following wing failure due to turbulence. 
Question : What is the full date that 1957 Aqaba Valetta accident crashed on?

Answer:
point in time