In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.

Q: Passage: Alexis Sánchez is a Chilean professional footballer who represents the Chile national football team as a striker. Nicknamed El Niño Maravilla ("The Boy Wonder"), he made his debut for his country in a 1–0 victory over New Zealand in April 2006. His first international goal came on his eighth appearance for Chile when he scored Chile's only goal in a 2–1 defeat to Switzerland in a friendly tournament in Vienna. , Sánchez is his country's top scorer and has the most caps, with 43 goals in 132 appearances. He passed the previous record of 37, held by Marcelo Salas, when he scored the opening goal against Germany in the group stage of the 2017 FIFA Confederations Cup in June 2017. He scored most recently against Ecuador in a 2–1 win during the 2019 Copa América. Despite Sánchez scoring seven goals, making him second-equal top scorer in 2018 FIFA World Cup qualifying (along with Lionel Messi, Gabriel Jesus and Felipe Caicedo), Chile failed to qualify for the finals. Sánchez made his most recent and 132nd appearance for Chile in a 0–0 draw against Colombia in October 2019.
 Link Information: Alejandro Sánchez Sánchez (; born 19 December 1988) Answer: 17

A: How old was Sánchez when he made his debut for the Chile national football team against New Zealand?
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Q: Passage: Gentry was born in New York City. In the early 1960s, he worked as a songwriter and producer at Kama Sutra Records. After leaving the company following a disagreement with its owner Artie Ripp, he had successes as a songwriter working with Ritchie Cordell. These included "I Think We're Alone Now" (written with Cordell, though Gentry was not credited as co-writer because he was still contracted to Kama Sutra); "Mirage" (co-written with Cordell), "Mony Mony" (co-written with Cordell, Bobby Bloom, and Tommy James) and "Indian Giver" (co-written with Cordell and Bloom), a hit for the 1910 Fruitgum Company. With Cordell he co-produced (and according to some credits co-wrote) Tommy James and the Shondells' hit version of "I Think We're Alone Now", and the album of the same name. He recorded several singles with Cordell in the late 1960s. Gentry also co-wrote (with Kenny Laguna and Paul Naumann) the UK instrumental hit "Groovin' With Mr. Bloe", and (with Tony Lordi) Gene Pitney's "Shady Lady". "Mony Mony" was also a US number one hit in 1987 for Billy Idol.
 Link Information: Mirage" debuted on the Hot 100 on Tommy's 20th birthday, eventually reaching number 10 on 17 June 1967, number 2 on the Canadian charts on 24 June 1967, and number 1 on WLS  Answer: Mony Mony

A: Which song was more successful on the charts, Mirage or Mony Mony?
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Q: Passage: After Meissner’s abitur at the Humanistisches Gymnasium, in 1910, he began the study of physics and mathematics at University of Tübingen. After three terms, he went to the University of Munich as a student of the experimentalist Wilhelm Röntgen and the theoretician Arnold Sommerfeld. After one year at Munich, he returned to Tübingen to be able to study spectroscopy with Friedrich Paschen. While still a student in 1914, Meissner was able to prove the existence of oxygen lines in the solar spectrum. He was awarded his doctorate in 1915, on a thesis with the title Interferometrische Wellenlängenbestimmung im infraroten Spektralbereich. In 1916 he became an assistant to Edgar Meyer at the University of Zurich, under whom he completed his Habilitation, in 1918, with the Habilitationsschrift title Untersuchungen des Neonspektrums. The following year, he married the Polish physicist Doctor Janka Kohn.
 Link Information: Wilhelm Conrad Röntgen (; ; 27 March 1845  Answer: Wilhelm Röntgen

A:
Which of Messner's teachers at the University of Munich was older?
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