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 : Iain MacKintosh (20 July 1932 - 28 August 2006, Glasgow, Scotland) was a Scottish singer and songwriter. 
Question : What led to Iain MacKintosh's death?

Answer: medical condition


Question: Context : ``Cha-Ka'' is the first episode of the first season of the 1974 American television series Land of the Lost. 
Question : What is the series that Cha-Ka is a part of?

Answer: series


Question: Context : Ezra Hendrickson (born 16 January 1972 in Layou, St. Vincent) is a retired Vincentian footballer. 
Question : What city is Ezra Hendrickson associated with?

Answer:
residence