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 Tiger II was under-powered, like many other heavy tanks of World War II, and consumed a lot of fuel, which was in short supply for the Germans. 
Question : In what year did Tiger II enter service?

Answer: service entry


Question: Context : Xavier de Villepin graduated from the renowned French business school HEC Paris in 1949 and later from the Harvard Business School. 
Question : On what date did Xavier de Villepin die?

Answer: date of death


Question: Context : The title The World Is Not Enough is an English translation of the Latin phrase Orbis non sufficit, which in real life was the motto of Sir Thomas Bond. 
Question : What series is the episode The World Is Not Enough part of?

Answer:
series