Question: What former member of the Democratic Party was at the grand opening event of SkyJump Law Vegas?

Context paragraphs:
Duarte Freitas: Duarte Nuno D'Ávila Martins de Freitas (born 10 August 1966 in São Roque do Pico, Azores) is a Portuguese politician and former member of the European Parliament for the Social Democratic Party–People's Party coalition; part of the European People's Party–European Democrats group.  He became the leader of the Azorean Social Democratic Party (PSD/A), following the 2012 Regional Elections.

Daniel Florea (politician): Daniel Florea (born September 19, 1972) is a Romanian lawyer and politician who currently serves as the mayor of Bucharest's Sector 5.  A member of the Social Democratic Party (PSD) and former member of the Democratic Party (PD), he has represented Călărași County in the Chamber of Deputies since 2012.

SkyJump Las Vegas: SkyJump Las Vegas holds the Guinness World Record for highest commercial decelerator descent with an official height of 829 ft and is located at Stratosphere Las Vegas.  As part of its grand opening event, Las Vegas Mayor Oscar Goodman presented a written proclamation deeming April 20, 2010 as SkyJump Day in Las Vegas.

Bogdan Niculescu-Duvăz: Bogdan Niculescu-Duvăz (] ; born December 14, 1948) is a Romanian politician and architect.  A former member and twice minister of the Democratic Party (PD), he joined the Social Democratic Party in 2003, and was again a minister in 2004.  Niculescu-Duvăz has been a member of the Chamber of Deputies since 1990.

New Party (Serbia): The New Party (Serbian: Нова странка / Nova stranka ) is a Serbian liberal political party led by Zoran Živković, former Prime Minister of Serbia, himself former member of the Democratic Party.  Established in early 2013, the party advocates close ties to the western powers and European Union integration.  The party contested the 2014 parliamentary election as part of a wider coalition of moderate parties led by the Democratic Party.

Carmen Warschaw: Carmen Warschaw (c. 1917 – November 6, 2012) was an American philanthropist, politician, and leading figure within the state Democratic Party in California.  She was also a former member of the Democratic National Committee and chairwoman of the Southern California Democratic Party.  A champion of Democratic politics, political opponents in both parties were known to call her "The Dragon Lady."

Oscar Goodman: Oscar Baylin Goodman (born July 26, 1939) is an American attorney and politician.  He was the mayor of Las Vegas, Nevada from 1999 to 2011.  Goodman is an Independent and a former member of the Democratic Party.

Mindaugas Murza: Mindaugas Gervaldas (born 16 December 1973), until 2012 known as Mindaugas Murza, is a Lithuanian politician, a radical nationalist former member of the National Democratic Party, former member of the Lithuanian National Defence Volunteer Forces (a Lithuanian government sponsored paramilitary organization), a one time leader of the National Socialist Party, and member of Šiauliai city municipality council.  He is known for his anti-semitic statements.

Rushmore Plaza Civic Center: The Rushmore Plaza Civic Center is a 150000 sqft exhibition center, in Rapid City, South Dakota.  It contains a 10,000 seat, multi-purpose arena.  It was built in 1977.  The grand opening event was a concert by Elvis Presley on June 21, 1977.  That concert was filmed for a CBS television special that aired in October.  The concert was during the singer's final tour before his death on August 16, 1977.

Lasse Lehtinen: Lasse Lehtinen (born 23 January 1947 in Kotka) is a Finnish politician, former Member of the Finnish Parliament and former Member of the European Parliament (MEP).  He is a member of the Social Democratic Party of Finland, which is part of the Party of European Socialists, and sat on the European Parliament's Committee on the Internal Market and Consumer Protection.

Supporting paragraphs: SkyJump Las Vegas Oscar Goodman
Answer: Oscar Goodman