TASK DEFINITION: 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.
PROBLEM: Passage: Etzel Cardeña is the Thorsen Professor of Psychology (including parapsychology and hypnosis) at Lund University, Sweden where he is Director of the Centre for Research on Consciousness and Anomalous Psychology (CERCAP). A native of Mexico, Cardeña studied at the Universidad Iberoamericana in México and completed an MA in clinical psychology at York University in Toronto, Canada and an MA and PhD in Personality Psychology at the University of California, Davis. His doctoral thesis under the supervision of Charles Tart was on the phenomenology of deep states of hypnosis. He subsequently went on to do post-doctoral work in the area of dissociation and hypnosis at Stanford University under David Spiegel. Cardeña has held academic posts at Georgetown University, the Uniformed Services University of the Health Sciences (USUHS) and the University of Texas–Pan American, among others. He has served as President of the Society of Psychological Hypnosis (APA Division 30) for 2000–2001, the Society for Clinical and Experimental Hypnosis for 2001–2003, and the Parapsychological Association for the year 2008-2009. He has expressed views in favour of the validity of some paranormal phenomena. In a recent paper in American Psychologist he wrote that "The evidence for psi is comparable to that for established phenomena in psychology and other disciplines, although there is no consensual understanding of them."
 Link Information: none Answer: none

SOLUTION: Which doctorate and post doctorate supervisor's that Cardena worked under was older?

PROBLEM: Passage: Fraser was born on 10 May 1947 in Surbiton, Surrey, the second son of Harry MacKenzie Fraser, a London solicitor, and Ada Alice Gittins of Pontypool in the county of Monmouthshire. His brother was Malcolm Fraser (1939–2012), Emeritus Professor of Opera at the University of Cincinnati and co-founder of the Buxton Festival. At the age of eight, Robert Fraser won a choral scholarship to Winchester Cathedral, where he sang the daily services while studying at the Pilgrims School in the Close. Among his fellow choristers were the future newscaster Jon Snow and international tenor Julian Pike. After attending Kingston Grammar School Fraser went on to the University of Sussex to read English with David Daiches and Anthony Nuttall. He later wrote a doctorate on tradition in English poetry at Royal Holloway, University of London where the college's famous gallery of Victorian paintings was to inspire his illustrated volume of poetry The Founders’ Gift: Impressions from a Collection (2017). Simultaneously with his doctorate he studied Harmony, Counterpoint and Composition at Morley College with Melanie Daiken and James Iliff.
 Link Information: Jonathan George Snow HonFRIBA (born 28 September 1947) Answer: 72

SOLUTION: How old is the newscaster who was a fellow choristers at the Pilgrims School with Robert Fraser?

PROBLEM: Passage: Mercurio's next original drama series, Line of Duty (first broadcast 26 June 2012), premiered as BBC2's then best-performing drama series in 10 years with 4.1 million viewers. A well-received second series (first broadcast 12 February 2014) resulted in the BBC commissioning two further series for production in 2015 and 2016. The first series was nominated for a Royal Television Society Award for Best Drama Series and earned Mercurio his third nominations as Best Drama Writer by the Royal Television Society and The Writers' Guild of Great Britain. In 2014, Line of Duty was named in the Top 50 BBC2 Shows of All-Time, and named best television drama of the year by The Observer, and in 2016 ranked among the best BBC shows of all time and among the best police series of all time. In 2015, the second series won the Royal Television Society Award for Best Drama Series. and was nominated for four BAFTA Awards. Series 3 of Line of Duty became the most watched drama series broadcast on BBC2 in the multichannel era. Series 4 transferred to BBC One, consisting of six episodes broadcast from 26 March 2017.
 Link Information: none Answer: none

SOLUTION:
How many people worked for The Observer when it named Line of Duty best television drama of the year?