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:
The videography of Elton John consists of 118 music videos and 17 video albums. Since 1970, John has continually released promotional music videos, beginning with "Your Song" and only sporadically releasing videos thereafter. It was not until "Visions" in 1981, a release that included music videos of every song from his album "The Fox", as well as the rise of MTV, that he began to release videos more frequently. He had usually appeared in his music videos, but after 2001, John began appearing less and less in his own videos, sometimes opting to have other actors, such famous names as Justin Timberlake and Robert Downey, Jr., lip-synch the lyrics. Question: Which American singer-songwriter lip-synched lyrics for Elton John? Answer: Justin Timberlake
Answer:
He had usually appeared in his music videos, but after 2001, John began appearing less and less in his own videos, sometimes opting to have other actors, such famous names as Justin Timberlake and Robert Downey, Jr., lipsynch the lyrics.