Question: What was the 2018 population in the country of the 1920 Summer Olympics involving the nation with the Japanese School in the city where Christina went in Grey's Anatomy?

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. be The flag's official proportions of 13: 15 are rarely seen; proportions of 2: 3 or similar are more common. The Brussels region is the de facto capital, but the City of Brussels municipality is the de jure capital. The. eu domain is also used, as it is shared with other European Union member states. <SEP> It has a day school division and it has a weekend complementary school that meets on Wednesdays and Saturdays. It is the sole non-boarding Japanese day school in Switzerland, and it serves kindergarten, elementary school, and junior high school (equivalent to Zurich cantonal Sekundarstufe I). The Japanese School in Zurich (, "Chūrihhi Nihonjin Gakkō") is a Japanese international school in Uster, Canton of Zürich, Switzerland, situated in the Zurich metropolitan area. <SEP> Switzerland competed at the 1920 Summer Olympics in Antwerp, Belgium. 77 competitors, all men, took part in 45 events in 13 sports. <SEP> the 2018 winter olympics, officially known as the xxiii olympic winter games (korean: 제 23 회동계올림픽, translit. jeisipsamhoe donggye ollimpik) and commonly known as pyeongchang 2018, was a major multi-sport event held between 9 and 25 february 2018 in pyeongchang county, gangwon province, south korea, with the opening rounds for certain events held on 8 february 2018, the eve of the opening ceremony. pyeongchang was elected as the host city in july 2011, during the 123rd ioc session in durban, south africa. this marks the first time south korea has hosted the winter olympics, and the second time the olympic games have been held in the country, after the 1988 summer olympics in seoul. it also marks the third time east asia has hosted the winter games, after sapporo, japan (1972), and nagano, japan (1998), and the sixth overall olympic games held in east asia. it was the first of three consecutive olympic games to be held in east asia, preceding tokyo 2020 (summer) and beijing 2022 (winter). <SEP> pyeongchang was elected as the host city in july 2011, during the 123rd ioc session in durban, south africa. this was the first time that south korea had hosted the winter olympics and the second olympics held in the country overall, after the 1988 summer olympics in seoul. it was the third time that an east asian country had hosted the winter games, after sapporo (1972) and nagano (1998), both in japan. it was also the first of three consecutive olympics to be held in east asia, the other two being the 2020 summer olympics in tokyo and the 2022 winter olympics in beijing. <SEP> At the end of season 10, she says goodbye to her fellow co-workers she has come to know and love including Owen and Meredith. Cristina and Meredith share special moments together reminiscing about all the horrors they went through and dancing it out one last time. Cristina leaves for Zurich with surgical intern Shane Ross, who chooses to leave in order to study under her abroad.