Question: In the 2015–16 Liga Nacional de Básquet season, where does the team that contested the finals with La Unión play its home games?

Context paragraphs:
San Lorenzo de Almagro (basketball): San Lorenzo de Almagro is the men's professional club basketball section of the San Lorenzo de Almagro multi sports club, that is based in Buenos Aires, Argentina.  The team plays in the Liga Nacional de Básquet (LNB), which is the first tier level division of the Argentine basketball league system.  The team is currently coached by Julio Lamas.  San Lorenzo plays its home games at the Polideportivo Roberto Pando, which is located in Boedo, Buenos Aires.

2015–16 Liga Nacional de Básquet season: The 2015–16 Liga Nacional de Básquet season was the 32nd season of the top professional basketball league in Argentina.  The regular season started on 22 September 2015 and the defending champions were Club Atlético Quimsa.  The finals were contested between San Lorenzo and La Unión, with San Lorenzo winning their first league title on 23 June 2016.

2013–14 Liga Nacional de Básquet season: The 2013–14 Liga Nacional de Básquet season was the 30th season of the top professional basketball league in Argentina.  The regular season started on 9 October 2013.  Peñarol won their fifth title, defeating defending champions Regatas Corrientes in the finals.  This was the first season without relegations to the Torneo Nacional de Ascenso.

Liga Nacional de Básquet Awards: The Liga Nacional de Básquet Awards (English: National Basketball League Awards) are the yearly individual awards that are given by Argentina's top-tier level men's professional club basketball league, the Liga Nacional de Básquet (LNB), or "La Liga".

Liga Nacional de Básquet Statistical Leaders: The Liga Nacional de Básquet Statistical Leaders are the statistical leaders in various different categories of Argentina's top-tier level men's professional club basketball league, the Liga Nacional de Básquet (LNB), or "La Liga".

2011–12 Liga Nacional de Básquet season: The 2011–12 Liga Nacional de Básquet season was the 28th season of the top professional basketball league in Argentina.  The regular season started on 23 September 2011.  Peñarol won their fourth title, defeating Obras Sanitarias in the finals.

2015–16 Honduran Liga Nacional de Ascenso: The 2015–16 Liga Nacional de Ascenso de Honduras season is divided into two tournaments named Apertura and Clausura.  The Liga Nacional de Ascenso de Honduras is the second-tier football league of Honduras and decides the team to be promoted to the 2016–17 Honduran Liga Nacional.

2012–13 Liga Nacional de Básquet season: The 2012–13 Liga Nacional de Básquet season was the 29th season of the top professional basketball league in Argentina.  The regular season started on 14 September 2012.  Regatas Corrientes won their first title, defeating Lanús in the finals.

Tayavek Gallizzi: Tayavek Gallizzi (born February 8, 1993) is an Argentine professional basketball player who currently plays for Club La Unión of the Argentine Liga Nacional de Básquet (LNB).  He also represents the senior Argentine national basketball team.

Estadio Cincuentenario: The Estadio Cincuentenario is an indoor arena in Formosa, Argentina.  It hosts basketball, volleyball, futsal, boxing, handball and artistic events.  Club La Unión plays at this stadium its home matches for the Liga Nacional de Básquet, the top level of the Argentine basketball league system.  The same club also has a volleyball team that plays its home matches for the Liga Argentina de Voleibol – Serie A1 at the Cincuentenario as well.

Supporting paragraphs: 2015–16 Liga Nacional de Básquet season San Lorenzo de Almagro (basketball)
Answer: Polideportivo Roberto Pando