claim: Chinatown's screenplay had a writer.
evidence: Texas Rollergirls is a women 's flat track roller derby league based in Austin , Texas .. roller derby. roller derby. Founded in early 2003 and widely credited as the league that started the modern roller derby movement , the Texas Rollergirls were the first flat track league in the nation to play a version of roller derby using new standardized rules and a track design based on the dimensions of the old banked tracks .. roller derby. roller derby. As flat track derby caught on in other American cities , the Texas Rollergirls ' rulebook and track design eventually evolved into the specifications that were adopted and ratified upon formation of the Women 's Flat Track Derby Association -LRB- WFTDA -RRB- in 2005 , of which Texas is a founding member .. The league consists of four home teams that play within the league and sometimes compete with member teams from other WFTDA leagues .. The Texas Rollergirls all-star travel team , the Texecutioners , represents the league in WFTDA competitions and tournaments with other leagues .. The Texas Rollergirls were the first winners of the WFTDA Championships in 2006 .. WFTDA Championships. WFTDA Championships