In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
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Question: Context: In 1972, Meyer was the campaign manager in the long-shot race waged by Alan Steelman, a young Republican who unseated Earle Cabell as U.S. representative Link Information: Alan Watson Steelman (born March 15, 1942) Answer: 30

Answer: How old was the man who unseated Earle Cabell at the time of his election?


Question: Context: He graduated from the Air Command and Staff College in 1961 Link Information: none Answer: none

Answer: How many people graduate from the Air Command and Staff College in a year?


Question: Context: Candidates were elected to fill three multi-member electorates using a single transferable vote method, known as the Hare-Clark system. Link Information: The name is derived from English barrister, Thomas Hare, and the Tasmanian Attorney General, Andrew Inglis Clark, who first introduced the modified counting system to Tasmania in 1896. Answer: 1896

Answer:
When was the system used to to elect canidates to fill three multi-member electorates created?