Title: Hollywood Park Racetrack
Content:  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 until a new state of the art casino building opened in October 2016. The track was demolished in stages from 2014 until 2016 and the area is now the site of a master planned neighborhood in development named Hollywood Park after the former track. The most prominent parts of the development are SoFi Stadium, home of the Los Angeles Rams and Los Angeles Chargers of the National Football League (NFL), Youtube Theater, a 6,000-seat performance arts venue, the Hollywood Park Casino, and the NFL Los Angeles building, which is home to the NFL Network, NFL RedZone, NFL.com, and the NFL app.
Title: History of the National Football League in Los Angeles
Content:  is a connected performance venue with a capacity of 6,000 seats that opened in 2021. The venue is part of a larger Hollywood Park development on the former racetrack property that aside from the stadium includes the Hollywood Park Casino, the headquarters of NFL Media which includes the NFL Network, NFL RedZone, NFL.com and the NFL app, and a master-planned neighborhood with over 8.5 e6sqft for office space and condominiums, a 12-screen Cinepolis movie theater, ballrooms, outdoor spaces for community programming, retail, a fitness center, a lake with a waterfall fountain, a luxury hotel, a brewery, high-scale restaurants and an open-air shopping and entertainment complex.
Title: SoFi Stadium
Content:  the city's National Basketball Association (NBA) teams, the Los Angeles Lakers and Los Angeles Clippers since 1999, Dignity Health Sports Park for a time hosted both the LA Galaxy and now-defunct Chivas USA of Major League Soccer from 2005 to 2014 and Dodger Stadium hosted the Los Angeles Dodgers and Los Angeles Angels from 1962 to 1965. The facility is a component of Hollywood Park, a master planned neighborhood in development on the site of the former racetrack. Hollywood Park Casino re-opened in a new building on the property in October 2016, becoming the development's first establishment to open.
Title: SoFi Stadium
Content:  The stadium is located in Hollywood Park, a entertainment complex and master-planned neighborhood named after the former horse racing track that sat on the site. Hollywood Park consists of over 8.5 e6sqft that will be used for office space and condominiums, a 12-screen Cinepolis movie theater, ballrooms, outdoor spaces for community programming, retail, a fitness center, a luxury hotel, a brewery, high-scale restaurants and an open-air shopping and entertainment complex. Immediately adjacent to the stadium is Rivers Lake with a waterfall and fountain. The first establishment to open in Hollywood Park was the new Hollywood Park Casino, which opened on October 21, 2016.
Title: Sports in Los Angeles
Content:  SoFi Stadium, known as Los Angeles Stadium at Hollywood Park during its planning stages, is an ETFE roof–covered stadium and entertainment complex in the suburb of Inglewood. It is located at the former site of the Hollywood Park Racetrack, approximately 3 mi from Los Angeles International Airport, immediately southeast of The Forum. The stadium is home to the Los Angeles Rams and Los Angeles Chargers of the National Football League (NFL). It is also scheduled to host Super Bowl LVI in February 2022 and the College Football Playoff National Championship in January 2023. During the 2028 Summer Olympics, the stadium is expected to host the opening and closing ceremonies, as well as soccer. Archery will be held on the grounds outside the stadium. SoFi Stadium is the third stadium, and second to be in current use, since the 1970 AFL–NFL merger to be shared 
Title: SoFi Stadium
Content:  The stadium site was previously home to Hollywood Park, later sold and referred to as Betfair Hollywood Park, which was a thoroughbred race course from 1938 until it was shut down for racing and training in December 2013. Most of the complex was demolished in 2014 to make way for new construction with the rest demolished in late 2016 after the Hollywood Park Casino which remained open after the track itself closed moved to a new building. The current stadium was not the first stadium proposed for the site. The site was almost home to an NFL stadium two decades earlier. In May 1995 after the departure of the 
Title: Sports in Los Angeles
Content:  two NFL teams (MetLife Stadium, in East Rutherford, New Jersey, is home to the New York Giants and New York Jets, as was its predecessor, Giants Stadium). It will be the fourth facility in the Los Angeles area to host multiple teams from the same league as Staples Center is home to both of the city's National Basketball Association (NBA) teams, the Los Angeles Clippers and Los Angeles Lakers, Dignity Health Sports Park for a time hosted both the LA Galaxy and now-defunct Chivas USA of Major League Soccer, and Dodger Stadium hosted the Los Angeles Dodgers and Los Angeles Angels from 1962 to 1965. The stadium is a component of Hollywood Park, a master planned neighborhood in development on the site of the former Hollywood Park Racetrack. Hollywood Park Casino opened in October 2016, becoming the first establishment to open on the property.
Title: Hollywood Park Casino
Content:  In 1994, a casino called the Hollywood Park Casino, with a poker card room, was added to the Hollywood Park Racetrack complex. The original casino owners were the Hollywood Park Operating Co., which also owned the race track. Afterwards the casino went through a series of owners including Churchill Downs. The racetrack was sold and shut down in December 2013 though the casino operations continued while the current casino building opened in October 2016. The casino is part of the Hollywood Park development which also features SoFi Stadium, home to the Los Angeles Rams and Los Angeles Chargers of the National Football League and will later include multiple housing, business parks, luxury hotels, a movie theatre, and an open-air shopping center. It was the first building of the complex to be constructed and opened.
Title: Hollywood Athletic Club
Content:  The Hollywood Athletic Club is an office building and event space in the Hollywood district of Los Angeles. Since it was built in 1924, it has had a varied history as a health club, bar, music venue, and billiard room. It is located on Sunset Boulevard.
Title: Hollywood Bowl
Content:  The Hollywood Bowl is an amphitheatre in the Hollywood Hills neighborhood of Los Angeles, California. It was named one of the 10 best live music venues in America by Rolling Stone magazine in 2018. The Hollywood Bowl is known for its band shell, a distinctive set of concentric arches that graced the site from 1929 through 2003, before being replaced with a larger one beginning in the 2004 season. The shell is set against the backdrop of the Hollywood Hills and the famous Hollywood Sign to the northeast. The "bowl" refers to the shape of the concave hillside the amphitheater is carved into. The Bowl is owned by the County of Los Angeles and is the home of the Hollywood Bowl Orchestra, the summer home of the Los Angeles Philharmonic, and the host venue to hundreds of musical events each year. It is located at 2301 North Highland Avenue, west of the (former) French Village. It is north of Hollywood Boulevard and approximately 1 mile (1.6 km) from the Hollywood/Highland Metro Rail station. It is adjacent to U.S. Route 101.

Question: los angeles stadium at hollywood park opening date?
Answer: 2020.