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.

Let me give you an 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
The answer to this example can be: 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.
Here is why: Here, we can see that both generated facts are helpful in answering question.

OK. solve this:
Mark McCain is the son of rancher Lucas McCain in the ABC Western television series "The Rifleman," which ran from 1958 to 1963. Singer/actor and former Mousketeer Johnny Crawford was cast in the role, and was nominated for an Emmy Award in 1959 as Best Supporting Actor (Continuing Character) in a Dramatic Series. The award went to Dennis Weaver, then portraying Chester Goode on CBS's "Gunsmoke". Question: What was the 1971 television film directed by Steven Spielburg in which the winner of an Emmy Award for Best Supporting Actor (Continuing Character) in a Dramatic Series appeared? Answer: "Duel"
Answer:
Mark McCain is the son of rancher Lucas McCain in the ABC Western television series The Rifleman, which ran from 1958 to 1963.