Question: What was the 2018 population of the host of the 1920 Summer Olympics that featured the country with the football club that Martin Telser plays for?

<P0-S0> daniel ballart sans (born march 17, 1973 in barcelona, catalonia) is a water polo player from spain. <P0-S1> he was a member of the national team that won the gold medal at the 1996 summer olympics in atlanta, georgia. <P0-S2> four years earlier, when his home town of barcelona hosted the games, he was on the side that captured the silver medal. <P0-S3> in total ballart played in four consecutive summer olympics for his native country. <SEP> <P1-S0> max weinhold (born april 30, 1982 in munich) is a field hockey player from germany who plays in goal. <P1-S1> he was a member of the men's national team that won the gold medal at the 2008 summer olympics. <P1-S2> he was also chosen to represent his country in the london 2012 summer olympic games where germany again won gold. <SEP> <P2-S0> Liga Interregional. <P2-S1> Martin Telser (born 16 October 1978) is a former Liechtenstein football defender, who last played for FC Balzers in the 2. <SEP> <P3-S0> Switzerland competed at the 1920 Summer Olympics in Antwerp, Belgium. <P3-S1> 77 competitors, all men, took part in 45 events in 13 sports. <SEP> <P4-S0> Kingdom of Belgium Koninkrijk België (Dutch) Royaume de Belgique (French) Königreich Belgien (German) Flag Coat of arms Motto: ``Eendracht maakt macht ''(Dutch)`` L'union fait la force'' (French) ``Einigkeit macht stark ''(German)`` Unity makes Strength'' Anthem: ``La Brabançonne ''`` The Brabantian'' Location of Belgium (dark green) -- in Europe (green & dark grey) -- in the European Union (green) Capital and largest city Brussels 50 ° 51 ′ N 4 ° 21 ′ E ﻿ / ﻿ 50.850 ° N 4.350 ° E ﻿ / 50.850; 4.350 Official languages Dutch French German Ethnic groups see Demographics Religion (2015) 60.7% Christianity 32.0% No religion 5.2% Islam 2.1% Other religions Demonym Belgian Government Federal parliamentary constitutional monarchy Monarch Philippe Prime Minister Charles Michel Legislature Federal Parliament Upper house Senate Lower house Chamber of Representatives Independence (from the Netherlands) Declared 4 October 1830 Recognised 19 April 1839 Area Total 30,528 km (11,787 sq mi) (136th) Water (%) 6.4 Population 1 August 2018 census 11,420,163 (79th) Density 374.2 / km (969.2 / sq mi) (36th) GDP (PPP) 2018 estimate Total $550.664 billion (38th) Per capita $48,258 (20th) GDP (nominal) 2016 estimate Total $562.229 billion (23rd) Per capita $49,272 (17th) Gini (2011) 26.3 low HDI (2017) 0.916 very high 17th Currency Euro (€) (EUR) Time zone UTC + 1 (CET) Summer (DST) UTC + 2 (CEST) Driving side right Calling code + 32 ISO 3166 code BE Internet TLD. <P4-S1> be The flag's official proportions of 13: 15 are rarely seen; proportions of 2: 3 or similar are more common. <P4-S2> The Brussels region is the de facto capital, but the City of Brussels municipality is the de jure capital. <P4-S3> The. <P4-S4> eu domain is also used, as it is shared with other European Union member states. <SEP> <P5-S0> Balzers play at Sportplatz Rheinau which is situated right next to the River Rhein next to the border with Switzerland where the town of Trübbach lies.