Question: Between 1815 and 1830 what was the name of the country physician Johannes Lijdius Catharinus Pompe van Meerdervoort  was originally from?

Related documents: [0]  [DOC] Johannes Lijdius Catharinus Pompe van Meerdervoort (5 May 1829, Bruges – 7 October 1908, Brussels) was a Dutch physician based at Nagasaki, in Bakumatsu period Japan. While in Japan, he briefly taught medicine, chemistry and photography at the Nagasaki Naval Training Center, and established a medical school and hospital. Some of his noted students included Nagayo Sensai and Matsumoto Jun. [END] 
[1]  [DOC] The United Kingdom of the Netherlands (Dutch: "Verenigd Koninkrijk der Nederlanden" , French: "Royaume uni des Pays-Bas" ) is the unofficial name given to the Kingdom of the Netherlands as it existed between 1815 and 1830. [END]  
Answer: The United Kingdom of the Netherlands
The United Kingdom of the Netherlands