Question: Who won the singles title at a 1973 tennis tournament held at a Los Angeles arena designed by architect Charles Luckman?

full_context: Document 1: All Net Resort and Arena: All Net Resort and Arena is a planned entertainment complex in Las Vegas. A project of businessman and former basketball player Jackie Robinson, the complex would encompass a resort hotel, a retail and restaurant streetscape, and a multi-purpose indoor arena with a retractable roof. Its location is set on the Strip at the former site of a Wet 'n Wild waterpark, next to the SLS Las Vegas in Winchester, Nevada. Designed by the Cuningham Group, it was planned to open in 2017, but is delayed until 2018 or 2019.
Document 2: 1973 British Motor Cars of Los Angeles: The 1973 British Motor Cars of Los Angeles was a women's tennis tournament played on indoor carpet courts at the The Forum in Los Angeles, California in the United States that was part of the 1973 Virginia Slims World Championship Series. The event had previously been held in Long Beach. It was the third edition of the tournament and was held from January 23 through January 27, 1973. The final was watched by 2,693 spectators who saw first-seeded Margaret Court win the singles title and earn $6,000 first-prize money.
Document 3: 1973 British Hard Court Championships: The 1973 British Hard Court Championships, also known by its sponsored name Rothmans British Hard Court Championships, was a combined men's and women's tennis tournament played on outdoor clay courts at The West Hants Club in Bournemouth, England. The event was part of the Grand Prix circuit and the event was categorized as B class for the men and C class for the women. The tournament was held from 7 May through 12 May 1973. Adriano Panatta and Virginia Wade won the singles titles.
Document 4: Citizens Business Bank Arena: Citizens Business Bank Arena (originally Ontario Community Events Center) is a multi-purpose arena, in Ontario, California, USA. It hosts local sporting events and concerts. Construction officially began on March 7, 2007, and the arena was opened on October 18, 2008. It is suitable for indoor events, including basketball, ice hockey, ice shows, boxing, graduation ceremonies and concerts. The arena's basketball capacity is 10,832. It also seats 9,736 for hockey and its full capacity is 11,089. The 225000 sqft venue also has 36 luxury suites on two levels. It is the biggest and most modern arena within the Inland Empire region of California.
Document 5: Banc of California Stadium: Banc of California Stadium is a soccer-specific stadium under construction in the Exposition Park neighborhood of Los Angeles, California. It is the first open-air stadium built in the City of Los Angeles since 1962 and will be the home of the expansion Major League Soccer team Los Angeles FC. Being constructed on the site of the former Los Angeles Memorial Sports Arena, it is located next to the Los Angeles Memorial Coliseum and just south of the main campus of the University of Southern California. Los Angeles FC subleases the site from the University which has a master lease with the LA Memorial Coliseum Commission for operating and managing the Coliseum and Sports Arena properties
Document 6: Los Angeles Memorial Sports Arena: The Los Angeles Memorial Sports Arena was a multi-purpose arena at Exposition Park, in the University Park neighborhood of Los Angeles. It was located next to the Los Angeles Memorial Coliseum and just south of the campus of the University of Southern California, which managed and operated both venues under a master lease agreement with the Los Angeles Memorial Coliseum Commission. The site is currently under redevelopment for Banc of California Stadium, the future home of Major League Soccer expansion club Los Angeles FC.
Document 7: 1973 Rothmans International Tennis Tournament: The 1973 Rothmans International Tennis Tournament was a men's professional tennis tournament held on indoor carpet courts in the Royal Albert Hall in London, England. It was the third edition of the tournament and was held from 18-27 January 1973. The event was part of the 1973 World Championship Tennis circuit. Brian Fairlie won the singles title.
Document 8: 2003 WTA Tour Championships: The 2003 WTA Tour Championships, also known by its sponsored name Bank of America WTA Tour Championships Presented by Porsche, was a women's tennis tournament played on indoor hard courts at the Staples Center in Los Angeles, United States. It was the 33rd edition of the year-end singles championships, the 28th edition of the year-end doubles championships, and was part of the 2003 WTA Tour. The tournament was held between November 4 and November 10, 2003. First-seeded Kim Clijsters won the singles event and earned $1,000,030 first-prize money as well as 485 ranking points. With her victory Clijsters became the first female tennis player to earn $US4 million in a season. For the first time since 1978 a round robin system was used, after the men's Tennis Masters Cup. Two groups of four players were formed and each contender had to play three matches. Also, for singles, instead of the top sixteen players qualifying, only top eight qualified for the WTA Tour Championships. For doubles, the top four pairs (previously top eight) pairs qualified for the WTA Tour Championships, but still continued with the single elimination format.
Document 9: The Chesterfield Building: The Chesterfield Building is a 1965-erected high-rise 200 foot tall, 20-story apartment building complex located in the Reserve Square area of downtown Cleveland. The building was designed by Charles Luckman who is responsible for the Aon Center (Los Angeles), the Los Angeles Convention Center, the Madison Square Garden in New York and the AmTrust Financial Center in Cleveland among many others. The complex contains 407 living units and features distinctive windows that open out giving the impression that the building is an old factory, but the building has always been apartments. The Chesterfield features a roof-top swimming pool and underwent major cosmetic (exterior) renovation in 2001.
Document 10: 1983 Australian Open – Women's Singles: First-seeded Martina Navratilova defeated ninth-seeded Kathy Jordan 6–2, 7–6 in the final to win the Women's Singles title at the 1983 Australian Open tennis tournament. The tournament was played on grass courts at the Kooyong Stadium in Melbourne from 29 November through 11 December 1983. Navratilova earned $75,000 prize money for winning the title, her 8th career Grand Slam singles title and her 2nd title at the Australian Open after 1981. She improved her year record to 86 wins and 1 loss. This tournament was also notable for being the first Australian Open in which Steffi Graf appeared in the main draw, and the last time that Billie Jean King appeared in the main singles draw of a grand slam.
Document 11: The Forum (Inglewood, California): The Forum is a multi-purpose indoor arena in Inglewood, California, adjacent to Los Angeles. Located between West Manchester Boulevard, across Pincay Drive and Kareem Court, it is north of the under-construction Los Angeles Stadium at Hollywood Park and the new Hollywood Park Casino. It is about three miles east of Los Angeles International Airport. Opening on December 30, 1967, the Forum was an unusual and groundbreaking structure. Architect Charles Luckman's vision was brought to life by engineers Carl Johnson and Svend Nielsen, who were able to engineer the structure so that it had no major support pillars. This had previously been unheard of in an indoor arena the size of the Forum.
Document 12: 1973 Pacific Southwest Open: The 1973 Pacific Southwest Open was a men's tennis tournament played on outdoor hard courts at the Los Angeles Tennis Center in Los Angeles, California in the United States. The tournament was classified as Grade A and was part of the Grand Prix tennis circuit. It was the 47th edition of the tournament and ran from September 17 through September 23, 1973. Jimmy Connors won the singles title and the $11,000 first place prize money.
Document 13: 1973 Queen's Club Championships: The 1973 Queen's Club Championships was a tennis tournament played on grass courts at the Queen's Club in London in the United Kingdom. The men's tournament was part of the 1973 Commercial Union Assurance Grand Prix circuit while the women's event was part of the 1973 Women's Grand Prix tour. It was the 74th edition of the tournament and was held from June 17 through June 23, 1973. Ilie Năstase and Olga Morozova won the singles titles.
Document 14: Hollywood Park Racetrack: Hollywood Park, later sold and referred to as Betfair Hollywood Park, was a thoroughbred race course located in Inglewood, California, about 3 miles (5 km) from Los Angeles International Airport and adjacent to the Forum indoor arena. In 1994 Hollywood Park Casino, with a poker card room, was added to the racetrack complex. Horse racing and training were shut down in December 2013 though the casino operations continued while a new state of the art casino building opened in October 2016.
Document 15: Svend Nielsen (architect and engineer): Svend Nielsen (1919–2013) was a Danish born architect and architectural engineer. Nielsen with his partner, Carl Johnson, founded the firm Johnson and Nielsen. Nielsen was influential in the construction of many important structures in Southern California, including the Discovery Cube in Orange County, the Coussoulis Arena in San Bernardino (notable for its "spider-like" exterior frame work) and, most famously, the Forum in Inglewood, CA, which was the first structure of its kind to be built without support pillars. The engineering of the Forum was quite a feat as the structural design allowed no obstructed seats in the entire arena.
ground_truth: Margaret Court