Question: What Malaysian badminton player held the number one worldwide ranking and played at the 2016 Olympics?
Context: Tan Yee Khan (; born 24 September 1940) is a former Malaysian badminton player who represented his country in badminton events around the world during the 1960s.  Though capable of high level singles (he won Japan's "World Invitational" tourney in 1964 and ousted Erland Kops in the first round of the 1966 All Englands), Yee Khan was primarily a doubles player who won numerous major international titles in partnership with Ng Boon Bee.  Powerfully built and substantially bigger than most Asian players of his day, he was reputed to be the hardest smasher in the game.  He won the coveted All-England men's doubles title with Boon Bee consecutively in 1965 and 1966.  In 1967 he was a member of Malaysia's world champion Thomas Cup (men's international) team.  Plagued by back problems he retired from badminton competition in 1969 but soon became one of Malaysia's leading golfers.  He was elected to the World Badminton Hall of Fame in 1998. Lydia Cheah Li Ya (; born 8 September 1989 in Kuala Lumpur, also known as "Lyddia Cheah Yi Yu") is a Malaysian badminton player.  Her younger sister, Sonia Cheah Su Ya is also a professional badminton player.  In 2010, she competed at the Commonwealth Games in India. Sören Opti (born 16 May 1997) is a badminton player from Suriname.  He competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil.  He lost to both Lee Chong Wei of Malaysia and Derek Wong Zi Liang of Singapore during group play and did not advance further.  Opti was the flagbearer for Suriname during the opening ceremony. Chew Choon Eng (born 28 May 1976, in Penang) is a former professional Malaysian badminton player.  He competed in badminton at the 2004 Summer Olympics in men's doubles with partner Chan Chong Ming.  They defeated Theodoros Velkos and George Patis of Greece in the first round, then were defeated in the round of 16 by Zheng Bo and Sang Yang of China. Sonia Cheah Su Ya (born 19 June 1993 in Kuala Lumpur) is a Malaysian badminton player.  She is the younger sister of Lydia Cheah Li Ya who is also a professional badminton player. Yew Cheng Hoe (born 1943) is a former world-class Malaysian badminton player.  He played on the Malaysian Thomas Cup (men's international) teams of 1963-1964 and 1966-1967, the latter of which won the world championship.  During the 1965-1966 tournament season Cheng Hoe was a frequent runner-up to fellow countryman Tan Aik Huang who dominated international singles competition that year.  Cheng Hoe won the Malaysian Open and New Zealand Open singles titles in 1963.  With Tan Aik Huang he won men's doubles at the British Commonwealth Games in 1966. Teh Kew San (郑求山) (born 1934) is a former Malaysian badminton player who won national and international titles from the late 1950s to the mid-1960s.  An "all-rounder" (player competitive in all three events: singles, doubles, and mixed doubles), his greatest successes came in men's doubles with Lim Say Hup.  They won a number of major international tournaments on three continents, most notably the prestigious All-England title in 1959.  Kew San's singles titles included the Mexico City International in 1960 and the Asian Championship in 1962.  Known for his agility and deft racket work, he was a member of four consecutive Malayan/Malaysian Thomas Cup teams (1958, 1961, 1964, 1967), captaining the last which captured the world team title. Dato' Lee Chong Wei {'1': ", '2': ", '3': 'DSPN DB DCSM PJN', '4': "} (born 21 October 1982) is a Malaysian professional badminton player.  As a singles player, Lee was ranked first worldwide for 199 consecutive weeks from 21 August 2008 to 14 June 2012.  He is the fourth Malaysian player after Rashid Sidek, Roslin Hashim and Wong Choong Hann to achieve such a ranking (since official rankings were first kept in the 1980s), and is the only Malaysian shuttler to hold the number one ranking for more than a year. Tan Jin Eong (; born 1927; died 2 November 2014) was a Malaysian badminton player from Ipoh, Perak.  He was the son of badminton star Tan Cheng Phor.  Tan Eng Looi, his sister, was a badminton player as well.  Tan was part of the Malayan team that won the 1955 Thomas Cup.  He partner Lim Kee Fong in the doubles.  In the final against Denmark, they played against Ole Mertz and Ove Eilertsen in the first doubles and won it in straight sets (15-9, 15-3).  In the second doubles, they faced Finn Kobberø and Jørgen Hammergaard Hansen but lost to them in a hard fought three setter (13-18, 15-4, 6-15).  It turns out to be the only victory for the Danes as Malaya won the cup with the scoreline of 8:1. Tan Chun Seang is a male Malaysian badminton player specializing in men's singles.  He was banned from playing in Asian countries for two years by Badminton Association of Malaysia due to his decision to quit the national team.  Tan won 2013 Canada Open Grand Prix by beating Eric Pang in the final.
Answer: Lee Chong Wei