Question: Are Roy Emerson and Daniela Hantuchová both tennis players?
Context: Vania King and Nadia Petrova were the defending champions, both of them were present this year, but played with different partners.King partnered with Zheng Jie and Petrova partnered with Gisela Dulko both lost to Daniela Hantuchová and Ai Sugiyama, in the first round and the semifinals respectively. Alisa Kleybanova and Francesca Schiavone won in the final 6-4, 6-2 against Daniela Hantuchová and Ai Sugiyama. Roy Emerson Arena is a tennis stadium located in Gstaad, Switzerland.  The stadium is the centerpiece of the Suisse Open Gstaad, an ATP Tour event.  The stadium has a capacity of 4,500 spectators.  It is named in honor of Roy Emerson, 12-time Grand Slam champion, and five-time winner of the Gstaad tournament. Vera Zvonareva was the two-time defending champion, but lost to Daniela Hantuchová in the semifinals.  <br>Daniela Hantuchová won the title, defeating Sara Errani 6-0, 6-2 in the final. Roy Stanley Emerson (born 3 November 1936) is an Australian former World number one tennis player who won 12 Major singles titles and 16 Grand Slam tournament men's doubles titles.  He is the only male player to have completed a Career Grand Slam (winning titles at all four Grand Slam events) in both singles and doubles.  His 28 major titles are an all-time record for a male amateur player.  Emerson is the first male player to win each amateur major title at least twice in his career.  He is one of only eight men to win all four majors in his career.  He was the first male player to win 12 majors.  Along with Novak Djokovic, he is one of only two male players to win six Australian Championships.  He won five of them consecutively (1963–67).  His 12 wins have since been surpassed.  Emerson is one of only five tennis players all-time to win multiple slam sets in two disciplines, only matched by Margaret Court, Martina Navratilova, Frank Sedgman and Serena Williams. Daniela Hantuchová (] ; born 23 April 1983) is a retired tennis player from Slovakia.  She turned professional in 1999 and had her breakthrough year in 2002, when she won her first WTA tournament, the Indian Wells Masters, defeating Martina Hingis in the final and becoming the lowest-ranked player to ever win the tournament.  She also reached the quarterfinals of that year's Wimbledon Championship and US Open, ending the year in the top 10.  She was part of the Slovak team that won the 2002 Fed Cup and the 2005 Hopman Cup. Ekaterina Makarova and Elena Vesnina were the defending champions, but Makarova withdrew due to injury.  Vesnina partnered up with Daniela Hantuchová, but they retired in the quarterfinals due to Hantuchová's injury. <br> Francis "Frank" Arthur Sedgman, AM (born 29 October 1927) is a retired former World No. 1 amateur tennis champion.  In his 1979 autobiography Jack Kramer, the long-time tennis promoter and great player himself, included Sedgman in his list of the 21 greatest players of all time.  Sedgman, Kramer wrote, "was as quick as anybody who ever played the game, but he couldn't keep the heat on."  Sedgman is one of only five tennis players all-time to win a multiple slam set in two disciplines, matching Margaret Court, Roy Emerson, Martina Navratilova and Serena Williams.  In 1951 he and Ken McGregor won the men's doubles Grand Slam.  Sedgman turned professional in 1953. Roy Emerson and Fred Stolle were the defending champions but only Roy Emerson did compete this year. Nigel Sears (born 4 April 1957) is a British tennis coach, best known for coaching former top five players Amanda Coetzer, Daniela Hantuchová and Ana Ivanovic during his long career.  He is currently the coach of Ekaterina Makarova. Leoš Friedl and Daniela Hantuchová were the defending champions, but chose to play in different teams for this year.  Friedl teamed up with Tina Križan and lost in first round, while Hantuchová partnered with Kevin Ullyett and reached to the final, losing in three sets.
Answer: yes