Question: Lacu is a dummer from a sovereign state in Norther Europ whose population in 2016 was what?

Related documents: [0]  [DOC] Finland ( ; Finnish: "Suomi" ] ; Swedish: "Finland" ] ), officially the Republic of Finland, is a sovereign state in Northern Europe. The country has land borders with Sweden to the northwest, Norway to the north, and Russia to the east. Estonia is south of the country across the Gulf of Finland. Finland is a Nordic country situated in the geographical region of Fennoscandia, which also includes Scandinavia. Finland's population is 5.5 million (2016), and the majority of the population is concentrated in the southern region. 88.7% of the population is Finnish and speaks Finnish, a Uralic language unrelated to the Scandinavian languages; the second major group are the Finland-Swedes (5.3%). It is the eighth largest country in Europe and the most sparsely populated country in the European Union. Finland is a parliamentary republic with a central government based in the capital Helsinki, local governments in 311 municipalities, and an autonomous region, the Åland Islands. Over 1.4 million people live in the Greater Helsinki metropolitan area, which produces a third of the country's GDP. [END] 
[1]  [DOC] Lacu (born in 1969 in Tampere as Kari Lahtinen), is a Finnish drummer best known for playing in the Finnish rock band Hanoi Rocks from their reformation in 2002 until his departure in 2008. He has also played with Popeda and Snakegod. [END]  
Answer: 5.5 million
5.5 million