In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Example: Passage: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Lô during July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Link Information: Operation Market Garden was a failed World War II military operation fought in the Netherlands from 17 to 25 September 1944. Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin?
Example solution: from 17 to 25 September 1944
Example explanation: The passage describes the 704th's actions during Operation Market Garden, and the answer specifies when the operation happened.

Problem: Passage: The Billy Bishop Regional Airport in the nearby Municipality of Meaford was named after him. His modest gravesite can be visited in the city's Greenwood Cemetery by those willing to take the time to locate the stone. His boyhood home is now a museum dedicated to his life and to Canada's aviation history. The town was also the home of National Hockey League (NHL) Hall of Fame goaltender Harry Lumley and the artist Tom Thomson (buried in the nearby village of Leith). Surgeon Norman Bethune, an avowed communist and pioneer of public medicine who gained notoriety in his innovative medical work with the Chinese army during the Second Sino-Japanese War, is an alumnus of the Owen Sound Collegiate and Vocational Institute. Legendary hockey broadcaster Bill Hewitt was once sports director of the local AM radio station, CFOS. Thomas William Holmes, another Victoria Cross winner, was also from Owen Sound, and the city's armoury bears his name.
 Link Information: none Question: How long was Bill Hewitt the director?

Solution: Answer: none