Q: This list includes music artists with claims of 75 million or more record sales. The artists in the following tables are listed with both their claimed sales figure along with their total of certified units and are ranked in descending order, with the artist with the highest amount of claimed sales at the top. If two or more artists have the same claimed sales, they are then ranked by certified units. The claimed sales figure and the total of certified units (for each country) within the provided sources include sales of albums, singles, compilation-albums, music videos as well as downloads of singles and full-length albums. Sales figures, such as those from Soundscan, which are sometimes published by Billboard magazine, have not been included in the certified units column. As of 2017, based on both sales claims and certified units, The Beatles are considered the highest-selling band. Elvis Presley is considered the highest-selling individual artist based on sales claims and Rihanna is the highest-selling individual artist based on certified units.

Answer this question based on the passage: who sold more records the beatles or rolling stones?
A: The Beatles. How to explain the answer? The important part for answering this question is: As of 2017, based on both sales claims and certified units, The Beatles are considered the highest-selling band.

Q: Inva Mula (born June 27, 1963) is an Albanian opera lyric soprano. She began her soprano career at a very early age. Her father (Avni Mula) and mother (Nina Mula) were also opera singers. She is also widely known in popular culture for providing the voice of the Diva Plavalaguna in the film The Fifth Element.

Answer this question based on the passage: who sang the diva song on the fifth element?
A: Inva Mula. How to explain the answer? To answer the above question, the relevant sentence is: She is also widely known in popular culture for providing the voice of the Diva Plavalaguna in the film The Fifth Element.

Q: The oldest active player is Vince Carter, who is now 41 years old. Carter played his first game in 1999 and is playing his 20th season. Carter along with Manu Ginóbili, Jason Terry, and Dirk Nowitzki are the only players who were born in 1979 or earlier and are still active and under contract with an NBA team. Ten players total, however, were born in 1980 or earlier and still play in the NBA.

Answer this question based on the passage: who's the oldest player playing in the nba right now?
A: Vince Carter. How to explain the answer? This is the relevant information: The oldest active player is Vince Carter, who is now 41 years old.

Q: The term knee-jerk was recorded by Sir Michael Foster in his Textbook of physiology in 1877: "Striking the tendon below the patella gives rise to a sudden extension of the leg, known as the knee-jerk."

Answer this question: state the type of stimulus that would cause a knee jerk reflex to occur?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Striking the tendon below the patella. How to explain the answer? This is the relevant information: The term knee-jerk was recorded by Sir Michael Foster in his Textbook of physiology in 1877: "Striking the tendon below the patella gives rise to a sudden extension of the leg, known as the knee-jerk."