Question: Who is the former professional tennis player from Italy, Chris Evert or Mara Santangelo?

full_context: Document 1: Mara Santangelo: Mara Santangelo (born 28 June 1981) is a former professional tennis player from Italy. She retired from the sport on 28 January 2011.
Document 2: Evert–Mandlikova rivalry: The tennis players Chris Evert (United States) and Hana Mandlíková (Czechoslovakia/Australia) met 26 times during their careers. Evert leads their overall head-to-head series 19–7. In 1981 the rivalry was described as being the most "dramatic" in women's tennis.
Document 3: Sun Tiantian: Sun Tiantian (; ; born 12 October 1981) is a Chinese former professional tennis player.
Document 4: Marion Bartoli: Marion Bartoli (] ; born 2 October 1984) is a French former professional tennis player. She won the 2013 Wimbledon Championships singles title after previously being runner-up in 2007 and was a semifinalist at the 2011 French Open. She also won eight Women's Tennis Association singles titles and three doubles titles. She announced her immediate retirement from professional tennis on 14 August 2013.
Document 5: Chris Evert: Christine Marie Evert (born December 21, 1954), known as Chris Evert Lloyd from 1979 to 1987, is a former World No. 1 professional tennis player from the United States. She won 18 Grand Slam singles championships and three doubles titles. She was the year-ending World No. 1 singles player in 1974, 1975, 1976, 1977, 1978, 1980, and 1981. Overall Evert won 157 singles championships and 32 doubles titles.
Document 6: 1984 US Open – Women's Singles: Martina Navratilova was the defending champion, and she successfully defended her title, defeating last year's finalist Chris Evert in the final. This victory was Navratilova's sixth straight Major title, tying her with Margaret Court and Maureen Connolly for the most consecutive Grand Slam titles won. Navratilova became the first player to win Grand Slams on clay, grass and hard court on the same calendar year, after having won the French Open and Wimbledon.
Document 7: Raffaella Reggi: Raffaella Reggi (born 27 November 1965; ] ) is a former professional tennis player from Italy.
Document 8: Iva Majoli: Iva Majoli Marić (Iva Majoli) (born 12 August 1977) is a former professional tennis player from Croatia. She upset Martina Hingis to win the women's singles title at the French Open in 1997. Majoli also won seven other singles titles and one doubles title during her career. She reached a career-high singles ranking of world No. 4 in February 1996.
Document 9: Evonne Goolagong career statistics: This is a list of the main career statistics of Australian former tennis player Evonne Goolagong. During her career, which lasted from 1967 to 1983, Goolagong won seven singles titles at a Grand Slam event and was a runner-up on 11 occasions. In addition she won five Grand Slam doubles titles, partnering Margaret Court, Peggy Michel and Helen Gourlay, as well as one mixed doubles title with Kim Warwick. In total she won 82 singles titles, 46 doubles titles and 4 mixed doubles titles. She achieved a No. 1 singles ranking for a two-week period in April–May 1976 although this was only officially recognized in 2007. She was a member of the Australian Federation Cup teams that won the cup in 1971, 1973 and 1974.
Document 10: Lindsay Davenport: Lindsay Ann Davenport Leach (born June 8, 1976) is an American former professional tennis player. She was ranked World No. 1 on eight different occasions, for a total of 98 weeks. Davenport is one of five women who have been the year-end World No. 1 at least four times (1998, 2001, 2004, and 2005) since 1975; the others are Chris Evert, Steffi Graf, Martina Navratilova and Serena Williams. She has achieved the No. 1 ranking in doubles as well.
Document 11: Steffi Graf: Stefanie Maria "Steffi" Graf (] ; born 14 June 1969) is a German former tennis player, who was ranked world No. 1 during her career. Graf won 22 Grand Slam singles titles. Her 22 singles titles put her second on the list of Major wins in the female competition since the introduction of the Open Era in 1968 and is third all-time behind Margaret Court (24) and Serena Williams (23). In 1988, she became the first and only tennis player (male or female) to achieve the Golden Slam by winning all four Grand Slam singles titles and the Olympic gold medal in the same calendar year. Furthermore, she is the only tennis player to have won each Grand Slam event at least four times.
Document 12: Sania Mirza: Sania Mirza (] ; born 15 November 1986) is an Indian professional tennis player who was formerly ranked No. 1 in the women's doubles rankings. From 2003 until her retirement from singles in 2013, she was ranked by the Women's Tennis Association as India's No. 1 player, both in singles and doubles. Throughout her career, Mirza has established herself as the most successful female Indian tennis player ever and one of the highest-paid and high-profile athletes in the country.
Document 13: Jeanne Evert: Jeanne Evert Dubin (born October 5, 1957) is an American former professional tennis player and the younger sister of Chris Evert. She was ranked as high as 42nd by the WTA in 1975 and ninth within the United States alone in 1974. She reached the third round of the U.S. Open in 1973 and 1978. She won all 4 of her Fed Cup matches for the U.S. in 1974.
Document 14: Billie Jean King: Billie Jean King ("née" Moffitt; born November 22, 1943) is an American former World No. 1 professional tennis player. King won 39 Grand Slam titles: 12 in singles, 16 in women's doubles, and 11 in mixed doubles. King won the singles title at the inaugural WTA Tour Championships. King often represented the United States in the Federation Cup and the Wightman Cup. She was a member of the victorious United States team in seven Federation Cups and nine Wightman Cups. For three years, King was the United States' captain in the Federation Cup.
Document 15: 2008 French Open – Women's Singles: Justine Henin was the three-time defending champion, but she retired from the sport on May 14, 2008. Her retirement left Serena Williams as the only former French Open champion remaining in the women's draw. Williams was defeated in the third round by Katarina Srebotnik, meaning that there would be a first-time French Open champion in 2008.
ground_truth: Mara Santangelo