Question: Richard "Dick" Lane broadcasted wrestling and roller derby shows on KTLA-TV, mainly from a sports venue built in what year?

Documents:
source: Richard &quot;Dick&quot; Lane
text: Richard &quot;Dick&quot; Lane Richard "Dick" Lane (May 28, 1899 – September 5, 1982) was an American television announcer and actor who made his mark broadcasting wrestling and roller derby shows on KTLA-TV, mainly from the Grand Olympic Auditorium in Los Angeles.

source: Grand Olympic Auditorium
text: Grand Olympic Auditorium The Grand Olympic Auditorium is the name of a former sports venue in southern Downtown Los Angeles, California. The venue was built in 1924 at 1801 South Grand Avenue, now just south of the Santa Monica Freeway. The grand opening of the Olympic Auditorium was on August 5, 1925, and was a major media event, attended by such celebrities as Jack Dempsey and Rudolph Valentino.

source: Bibliography of roller derby
text: Bibliography of roller derby This annotated bibliography is intended to list both notable and not so notable works of English language, non-fiction and fiction related to the sport of roller derby listed by topic and format, and then year. Although 100% of any book listed is not necessarily devoted to roller derby, all these titles have significant roller skating and roller derby content. Included in this bibliography is a list of classic texts, roller derby history texts and roller derby local league created materials devoted to roller derby.

source: National Roller Derby League
text: National Roller Derby League The National Roller Derby League (NRDL), also once promoted as Roller Derby 2000, Roller Blazing Derby League (RBDL, or just Roller Blazing Derby) and Roller Derby USA , is a professional roller derby league. The NRDL consists of teams that train and compete on banked tracks in the coastal cities of Southern California. The NRDL is incorporated in the State of California under the name Roller Derby Inc. .

source: NWA Rollergirls
text: NWA Rollergirls NWA Roller Derby is a flat track roller derby league based in Fayetteville, Arkansas, (USA). Founded in early 2006, NWA (Northwest Arkansas) Roller Derby were the first flat track league in Arkansas to play a version of roller derby using new standardized rules and a track design that was based on the dimensions of the old banked tracks, made popular by the founders of modern Roller Derby, the Texas Rollergirls. NWA Rollerderby also became the first member league out of Arkansas of the national organization, the Women's Flat Track Derby Association, announced by the WFTDA in December 2007.

source: Montreal Roller Derby
text: Montreal Roller Derby Montreal Roller Derby is a women's flat-track roller derby league in Montreal. A non-profit organization, Montreal Roller Derby was founded as the first flat-track roller derby league in Montreal in 2006 by Georgia W. Tush. Montreal Roller Derby became the first non-U.S. Women's Flat Track Derby Association (WFTDA) member league in January 2009.

source: Deadly Rival Roller Derby
text: Deadly Rival Roller Derby Deadly Rival Roller Derby (DRRD) is Florida's only Banked Track Roller Derby league, the only Banked Track league in Southeastern America and the 8th operating in the country as of 2016. When the league was first organized, Deadly Rival was the original roller derby league of Pinellas County and throughout their history maintained the largest women’s roller derby league in the county. Founded in 2011 as Pinellas County Roller Girls, the league played four exhibition bouts the first year: the Roll-A-Hula Luau, the School Girl Massacre, the Rocky Roller Derby Show, and the Roller Derby Christmas Story. The league also played their first travel bout, the Breast Cancer Awareness Skate-Off, against the Lakeland Derby Dames’ team, the Rockabilly Rebels.

source: Roller Derby Skateboard
text: Roller Derby Skateboard The first mass-produced skateboard was Roller Derby Skate Company’s “Skate Board” (without the “#10”). Roller Derby made this skateboard in their La Mirada, CA factory, and it was available nationwide at Roller Derby arenas in 1959, and then in Thrifty Drugstores and Sears, Roebuck and Co. as the "Roller Derby Skate Board" in 1960. It was very similar to the first commercially available skateboard; the red, flat, straight-sided, steel-wheeled "Bun Board" which had been made and sold in Hermosa Beach by Alf Jensen since 1957. In 1964 Roller Derby added 3 surfboard-shaped rubber-wheeled models similar to Makaha skateboards produced in 1963. These 3 skateboards were produced in their Litchfield, Illinois plant. Only after 1963, when they were making other models, was it necessary to assign the “#10” model number to the little red skateboard. So collectors be twice warned. The Roller Derby Skateboard company was owned and operated by Barry Jacobs.

source: USA Roller Derby
text: USA Roller Derby USA Roller Derby represents the United States in international roller derby, in events such as the Roller Derby World Cup. The team's first international competition was the 2011 Roller Derby World Cup, where it finished in first place after defeating Team Canada in the final. During the time period referenced here, it was known as "Team USA". A trademark challenge from the United States Olympic Committee led to the change to the name "USA Roller Derby" after the team's last international appearance.

source: Gotham Girls Roller Derby
text: Gotham Girls Roller Derby Gotham Girls Roller Derby (GGRD) is a flat track roller derby league based in New York City, New York. Founded in late 2003, Gotham Girls Roller Derby is also a founding member league of the Women's Flat Track Derby Association (WFTDA). The first flat track roller derby league in the metropolitan New York area, GGRD is one of the preeminent leagues in roller derby, having won five WFTDA Championships. From the introduction of the WFTDA Division system in 2013 through March 2017, Gotham was continuously the top-ranked league in the organization until Victorian Roller Derby League took over top spot.

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Answer: 1924