Question: The school Tim Jackson attended was a constituent of what college?

Context paragraphs:
Tim Jackson (economist): Tim Jackson FAcSS (born 1957) is a British ecological economist and professor of sustainable development at the University of Surrey.  He is the director of the Centre for the Understanding of Sustainable Prosperity (CUSP), a multi-disciplinary, international research consortium which aims to understand the economic, social and political dimensions of sustainable prosperity.  Tim Jackson is the author of "Prosperity Without Growth" (2009/2017) and currently holds the ESRC Professorial Fellowship on Prosperity and Sustainability in the Green Economy.  In 2016 he received the Hillary Laureate for exceptional mid-career Leadership.

Tim Jackson (businessman): A former student at City of London School and Merton College, Oxford, Tim Jackson (born 1965) founded QXL. com, an online auction service, which went public in 1999 at a valuation of around $400m.  The company merged with its largest German rival, Ricardo, was renamed Tradus, and was sold to African media group Naspers for around $2 billion in December 2007.

Mark Jackson (wide receiver): Mark Anthony Jackson (born July 23, 1963) is a former American professional football player who was selected by the Denver Broncos in the sixth round of the 1986 NFL Draft.  Jackson attended high school at Terre Haute South Vigo High School and Alton Senior High School.  A 5'9", 174 lb wide receiver from Purdue University, Jackson played in the 1984 Peach Bowl before spending nine NFL seasons from 1986 to 1994 for the Broncos, the New York Giants, and the Indianapolis Colts.  Jackson played in Super Bowls XXI, XXII, and XXIV with the Broncos.  Jackson caught the touchdown pass that sent the game into overtime on "The Drive" in the Broncos' January 11, 1987 AFC Championship Game victory over the Cleveland Browns.  Along with Vance Johnson and Ricky Nattiel, Jackson comprised the "Three Amigos" receiving combination in the late 1980s.  s of 2017 's NFL off-season, Mark Jackson held the Broncos franchise record for career yards per reception in the playoffs (20.29).

Deanna Jackson: Deanna Jackson (born December 15, 1979) is an American professional women's basketball player.  Jackson attended college at the University of Alabama at Birmingham.  She competed with USA Basketball as a member of the 2000 Jones Cup Team that won the Gold in Taipei.

Daniel Jackson (basketball): Daniel Alexander Jackson (born 26 April 1988) is an Australian professional basketball player who currently plays for the Canberra Gunners of the South East Australian Basketball League (SEABL).  Jackson attended Illawarra Sports High School where he was honoured with Hall of Fame induction.

Robert Jackson (guard): Robert E. Jackson (born April 1, 1953) is a former American football guard who played eleven professional seasons with the National Football League's Cleveland Browns.  Jackson attended Duke University where he arrived as a quarterback (a position he played at North Mecklenburg High School) with his twin brother Ken, a tight end.  Robert filled out over his time at Duke, eventually landing on the offensive line.  From a humble start as a free agent, Robert was honored as a Cleveland Browns Legend in September 2014.

Levi Jackson: Levi Jackson (August 22, 1926 – December 7, 2000) was the first African-American football captain at Yale University and the first African-American executive at Ford Motor Company.  He was a member of the Yale Class of 1950, and captained the 1949 football team, the election taken soon after the 1948 season.  Like Albie Booth before him, Jackson was a football standout at Hillhouse High School in New Haven, Connecticut and Yale.  Jackson was born in Branford, Connecticut.  Jackson's father was a master steward and chef at Yale's Pierson College.  Jackson attended Yale on the G.I. Bill.  He attained the rank of sergeant in the U.S. Army Ordnance Corps.

Scott Jackson (baseball): Scott Jackson is an American baseball coach, currently serving as the head baseball coach at Liberty University.  Jackson attended college at Campbell University and played on the Campbell Fighting Camels baseball team.  Jackson served as an assistant baseball coach and recruiting coordinator at the University of North Carolina at Chapel Hill from 2009 to 2016.  Jackson was named head baseball coach at Liberty University on July 17, 2016.

Deshun Jackson: Deshun Jackson, aka "Father Time", is an American streetball player from Bakersfield, California who has appeared on two ESPN television shows.  He was featured on season 2 of the "AND1 Mixtape Tour" television show on ESPN, and later on the show "ESPN City Slam".  Jackson is 6-foot 1-inch tall and plays shooting guard.  He is known for his perimeter shooting skills.  In 2005, Jackson finished 2nd in the City Slam 3-Point Shooting Championships, losing in a close battle to Jack "Black Jack" Ryan.  In 2009, Jackson participated in the SpikeTV show Pros vs Joes, where Jackson and 2 other "Joes" faced off against retired NBA players Ron Harper, Eddie Jones, and Shawn Kemp in a series of basketball related challenges.  In the final 3-on-3 contest, Jackson's team was able to defeat the former NBA players in overtime.  Jackson attended West High School in Bakersfield.

Merton College, Oxford: Merton College (in full: The House or College of Scholars of Merton in the University of Oxford) is one of the constituent colleges of the University of Oxford in England.  Its foundation can be traced back to the 1260s when Walter de Merton, chancellor to Henry III and later to Edward I, first drew up statutes for an independent academic community and established endowments to support it.  The important feature of Walter's foundation was that this "college" was to be self-governing and the endowments were directly vested in the Warden and Fellows.

Supporting paragraphs: Tim Jackson (businessman) Merton College, Oxford
Answer: University of Oxford