Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : Educating Yorkshire is a British documentary television programme broadcast on Channel 4. 
Question : What channel aired Educating Yorkshire?

Answer: Channel 4


Question: Context : John Nelson Shanks (December 23, 1937 -- August 28, 2015) was an American artist and painter. 
Question : What was Nelson Shanks's career?

Answer: painter


Question: Context : The Midland Railway 156 Class was a class of 2-4-0 tender engines built at Derby Works between 1866--1874. 
Question : What year was the service entry date for Midland Railway 156 Class?

Answer:
1866