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.

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

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.
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Q: The National is an American indie rock band from Cincinnati, Ohio, formed in 1999. The band consists of Matt Berninger (vocals), Aaron Dessner (guitar, keyboards), Bryce Dessner (guitar), Scott Devendorf (bass) and Bryan Devendorf (drums). Question: Deacon Blue and The National, are bands that have which mutual genre? Answer: rock

A: The National is an American indie rock band from Cincinnati, Ohio, formed in 1999.
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Q: Slade are an English glam rock band from Wolverhampton. They rose to prominence during the early 1970s with 17 consecutive top 20 hits and six number ones on the UK Singles Chart. The "British Hit Singles & Albums" names them as the most successful British group of the 1970s based on sales of singles. They were the first act to have three singles enter the charts at number one; all six of the band's chart-toppers were penned by Noddy Holder and Jim Lea. As of 2006, total UK sales stand at 6,520,171, and their best-selling single, "Merry Xmas Everybody", has sold in excess of one million copies. Question: How many copies were sold of the last UK number-one single that was written by Noddy Holder and Jim Lea? Answer: in excess of one million copies

A:
 They were the first act to have three singles enter the charts at number one; all six of the bands charttoppers were penned by Noddy Holder and Jim Lea.
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