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.

[EX Q]: McDonald's is an American hamburger and fast food restaurant chain. It was founded in 1940 as a barbecue restaurant operated by Richard and Maurice McDonald, in San Bernardino, California. In 1948, they reorganized their business as a hamburger stand, using production line principles. The first McDonald's franchise using the arches logo opened in Phoenix, Arizona in 1953. Businessman Ray Kroc joined the company as a franchise agent in 1955 and subsequently purchased the chain from the McDonald brothers. Based in Oak Brook, Illinois, McDonald's confirmed plans to move its global headquarters to Chicago by early 2018. Question: When was the hamburger restaurant that is mentioned in the song "Fast Food Song" founded? Answer: 1940
[EX A]: McDonalds is an American hamburger and fast food restaurant chain.

[EX Q]: George Shirley Switzer (June 11, 1915 – March 23, 2008) was an American mineralogist who is credited with starting the Smithsonian Institution's famed National Gem and Mineral Collection by acquiring the Hope Diamond for the museum in 1958. Switzer made the arrangements when renowned New York City jeweler Harry Winston decided to donate the Hope Diamond to the Smithsonian. Question: George Shirley Switzer started the Smithsonian Institution's famed National Gem and Mineral Collection by acquiring what jewel weighs 45.52 carats? Answer: The Hope Diamond
[EX A]: George Shirley Switzer June 11, 1915 – March 23, 2008 was an American mineralogist who is credited with starting the Smithsonian Institutions famed National Gem and Mineral Collection by acquiring the Hope Diamond for the museum in 1958.

[EX Q]: Life in a... Metro is a 2007 Indian musical drama film co-produced, written and directed by Anurag Basu, set in Mumbai, featuring an ensemble cast of Dharmendra, Nafisa Ali, Shilpa Shetty, Shiney Ahuja, Kay Kay Menon, Kangana Ranaut, Sharman Joshi, Konkona Sen Sharma and Irrfan Khan. The music is composed by Pritam with lyrics by Sayeed Quadri. The film was released on 11 May 2007. It narrates the lives of nine people living in Mumbai and deals with topics like extramarital affairs, sanctity of marriage, and love. The film was critically acclaimed for its story and screenplay. The general plot and a number of characters are based on two classic films, "The Apartment" and "Brief Encounter". Question: Who directed the British romantic drama film which Life in a... Metro general plot and a number of characters are based on  Answer: David Lean
[EX A]:
 The general plot and a number of characters are based on two classic films, The Apartment and Brief Encounter.