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 : 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?

A: service entry
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Q: Context : Lakmé is an opera in three acts by Léo Delibes to a French libretto by Edmond Gondinet and Philippe Gille. 
Question : The Lakmé is based upon what?

A: based on
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Q: Context : The Lawless Years is an American crime drama series that aired on NBC from April 16, 1959, to September 22, 1961. 
Question : Which was the network that originally hosted The Lawless Years?

A:
original network
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