Question: Patrick Galbraith and Ilie Năstase are famous for playing what sport?

full_context: Document 1: Rafael Nadal: Rafael "Rafa" Nadal Parera (] , ] ; born 3 June 1986) is a Spanish professional tennis player, currently ranked World No. 1 in men's singles. Known as "The King of Clay", he is widely regarded as the greatest clay-court player in history. His evolution into an all-court threat has established him as one of the greatest tennis players ever.
Document 2: Mihnea-Ion Năstase: Mihnea-Ion Năstase (born 7 February 1967) is a former professional tennis player from Romania. He is a nephew of two-time Grand Slam winner Ilie Năstase and his father, Constantin Năstase, was a Romanian Davis Cup representative.
Document 3: 1991 Grand Prix de Tennis de Lyon – Doubles: Patrick Galbraith and Kelly Jones were the defending champions, but did not participate together this year. Galbraith partnered Todd Witsken, losing in the quarterfinals. Jones partnered Rick Leach, losing in the first round.
Document 4: Patrick McEnroe: Patrick John McEnroe (born July 1, 1966) is a former professional tennis player and the former captain of the United States Davis Cup team.
Document 5: Daniel Nestor: Daniel Mark Nestor {'1': ", '2': ", '3': ", '4': "} (Serbian Cyrillic: Данијел Несторовић; born September 4, 1972 as Danijel Nestorović) is a Canadian professional tennis player. He is one of the foremost doubles players in tennis history due to his longevity and continued success at the top of the men's game. s of 2016 , he is 11th for most men's ATP titles in Open Era history. In January 2016, Nestor became the first doubles player in ATP history to win 1000 matches.
Document 6: Guillermo Vilas: Guillermo Vilas (] ; born 17 August 1952) is a retired professional tennis player from Argentina, N°1 of the Grand Prix tennis circuit's Season in 1974, 1975 and 1977, who won four majors, seven Grand Prix Super Series titles and 62 ATP titles. He was inducted into the International Tennis Hall of Fame in 1991. Known for his prolific match play, especially on clay, he became the second man to win more than 900 matches in the Open Era, and his number of match wins on clay are by far the most of the Era. His peak was the 1977 season during which he won two major titles (both on clay), had two long match win streaks of 46 all-surface and 53 on clay, and finished with an Open Era record of match wins. In 2005, Tennis magazine ranked him as the 15th-best male player of the preceding 40 years. He also popularized the between-the-legs tweener shot, also known as the "Gran Willy" in his honor.
Document 7: Ilie Năstase: Ilie "Nasty" Năstase (] , born 19 July 1946) is a Romanian former world No. 1 professional tennis player, one of the world's top players of the 1970s. He was ranked world no. 1 from 23 August 1973 to 2 June 1974.
Document 8: Vitas Gerulaitis: Vytautas Kevin Gerulaitis (July 26, 1954 – September 17, 1994) was an American professional tennis player. In 1975, Gerulaitis won the men's doubles title at Wimbledon, partnering with Sandy Mayer. He won the men's singles title at one of the two Australian Open tournaments held in 1977 (Gerulaitis won the tournament that was held in December, while Roscoe Tanner won the earlier January tournament). Gerulaitis also won two Italian Open titles, in 1977 and 1979, and the WCT Finals in Dallas, in 1978.
Document 9: Andre Agassi: Andre Kirk Agassi ( ; born April 29, 1970) is an American retired professional tennis player and former World No. 1 who was one of the sport's most dominant players from the early 1990s to the mid-2000s. Generally considered by critics and fellow players to be one of the greatest tennis players of all time, Agassi has been called the greatest service returner in the history of the game. Described by the BBC upon his retirement as "perhaps the biggest worldwide star in the sport's history", Agassi compiled performances that, along with his unorthodox apparel and attitude, saw him cited as one of the most charismatic players in history. As a result, he is credited for helping to revive the popularity of tennis during the 1990s.
Document 10: Ilie Năstase career statistics: These are the main career statistics of Romanian former professional tennis player Ilie Năstase, whose playing career lasted from 1969 through 1985.
Document 11: Arthur Ashe: Arthur Robert Ashe Jr. (July 10, 1943 – February 6, 1993) was an American professional tennis player. He won three Grand Slam titles.
Document 12: Romanian Open: The Romanian Open (also known as the BRD Năstase Țiriac Trophy) was a professional men's tennis tournament played on outdoor clay courts. It was part of the ATP World Tour 250 series of the ATP Tour. It was held annually in Bucharest, Romania, since 1993. Its name is taken from Romania's famous tennis players Ilie Năstase and Ion Țiriac.
Document 13: Jim Grabb: Jim Grabb (born April 14, 1964) is an American former professional tennis player. He was ranked the World No. 1 doubles player in 1989 and in 1993. Grabb's best singles ranking was World No. 24, a ranking he achieved in February 1990.
Document 14: Patrick Galbraith: Patrick Galbraith (born April 16, 1967, in Tacoma, Washington) is a former professional tennis player from the United States.
Document 15: Pete Sampras: Pete Sampras (born August 12, 1971) is a retired American tennis player widely regarded as one of the greatest in the history of the sport. He was a right-handed player with a single-handed backhand and a precise and powerful serve that earned him the nickname "Pistol Pete". His professional career began in 1988 and ended at the 2002 US Open, which he won, defeating rival Andre Agassi in the final.
ground_truth: tennis