In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
One example: North Willingham is a village and civil parish in the West Lindsey district of Lincolnshire, England. The population of the civil parish (including Sixhills) was 181 at the 2011 census. It is situated 3.5 mi east from the town of Market Rasen on the A631 road between Market Rasen and Louth. Question: Which had a bigger population at the 2011 census, North Willingham or Market Rasen? Answer: Market Rasen
Solution is here: Fact_1: North Willingham is a village and civil parish in the West Lindsey district of Lincolnshire, England. Fact_2: The population of the civil parish including Sixhills was 181 at the 2011 census.
Explanation: Here, we can see that both generated facts are helpful in answering question.

Now, solve this: "Moaning Lisa" is the sixth episode of "The Simpsons"<nowiki>'</nowiki> first season. It originally aired on the Fox network in the United States on February 11, 1990. The episode was written by Al Jean and Mike Reiss, and was directed by Wes Archer. Ron Taylor guest stars in the episode as Bleeding Gums Murphy. The episode deals with Lisa's depression and her attempts to sublimate it by playing her saxophone. It received positive reviews from television critics. Question: The Simpsons episode "Moaning Lisa" and "The Simpsons Sing the Blues" were both released what year? Answer: 1990
Solution:
It originally aired on the Fox network in the United States on February 11, 1990.