Question: What was the currency in the country Jaakko Tähtinen is from before the euro?

full_context: Document 1: Tasis (rapper): Markku Lauri Johannes Wettenranta, better known by his stage name Tasis, is a Finnish rapper. Besides being one of the founders of the record company Rähinä Records, Tasis was also part of the group Kapasiteettiyksikkö together with Uniikki and Andu.
Document 2: Finnish markka: The Finnish markka (Finnish: Suomen markka, abbreviated mk, Swedish: finsk mark, currency code: FIM) was the currency of Finland from 1860 until 28 February 2002, when it ceased to be legal tender. The markka was replaced by the euro (€), which had been introduced, in cash form, on 1 January 2002, after a transitional period of three years when the euro was the official currency but only existed as' book money '. The dual circulation period -- when both the Finnish markka and the euro had legal tender status -- ended on 28 February 2002.
Document 3: Netherlands: Amsterdam is the financial and business capital of the Netherlands. The Amsterdam Stock Exchange (AEX), part of Euronext, is the world's oldest stock exchange and is one of Europe's largest bourses. It is situated near Dam Square in the city's centre. As a founding member of the euro, the Netherlands replaced (for accounting purposes) its former currency, the "gulden" (guilder), on 1 January 1999, along with 15 other adopters of the euro. Actual euro coins and banknotes followed on 1 January 2002. One euro was equivalent to 2.20371 Dutch guilders. In the Caribbean Netherlands, the United States dollar is used instead of the euro.
Document 4: Max Taut: Max Taut was born in Königsberg, the younger brother of Bruno Taut. He, his brother and Franz Hoffman formed Taut & Hoffman, an architecture firm in Berlin, In the 1920s, Max Taut was particularly known for his office buildings for trade unions. Between 1922 and 1925, he built one house a year on Hiddensee island, each one very different from the others.
Document 5: Helsinki University of Technology: The Helsinki University of Technology (TKK; ; ) was a technical university in Finland. It was located in Otaniemi, Espoo in the metropolitan area of Greater Helsinki. The university was founded in 1849 by Grand Duke Nicholas I and received university status in 1908. It moved from Helsinki to Otaniemi campus area in 1966. It was merged into Aalto University in 2010 and briefly had the name Aalto University School of Science and Technology before being split into four schools in 2011.
Document 6: Jaakko Tähtinen: Jaakko Tähtinen (1904–1970) was a Finnish architect based in Tampere, a large city in southern Finland. He established the Tähtinen architectural practice and designed both residential and commercial buildings in Tampere and also in other cities including Kuopio.
Document 7: Nigerian naira: The naira was introduced on 1 January 1973, replacing the pound at a rate of 2 naira = 1 pound. This made Nigeria the last country to abandon the £sd currency system. There was a plan to redenominate the naira at 1 new naira = 100 old naira in 2008, but the plan was suspended. The currency sign is U + 20A6 ₦Naira sign.
Document 8: Lasipalatsi: An earlier building at the same location was the Turku barracks, which was destroyed in the Finnish Civil War in 1918. Lasipalatsi, designed by three young architects Viljo Revell, Heimo Riihimäki and Niilo Kokko, was built on the same site in 1936. Lasipalatsi, containing offices, restaurants and a film theatre, was originally designed as a temporary building, later to be torn down to allow a larger office building to be constructed in its place. The Varuboden grocery, Oy Siemens AB and the HOK ice cream bar were Lasipalatsi's most prominent businesses for decades. At the time of its opening, the film theatre Bio Rex was one of the biggest film theatres in the city, and many formal premieres of Finnish films were shown there.
Document 9: Francesco Tamburini: Francesco Tamburini (Ascoli Piceno, Italy, 1846 – Buenos Aires, Argentina, 1891) was an Italian-born architect who designed many important architectural landmarks in Argentina.
Document 10: Currency of Ecuador: The US dollar became legal tender in Ecuador March 13, 2000, and sucre notes ceased being legal tender on September 11. Sucre notes remained exchangeable at Banco Central until March 30, 2001, at 25,000 sucres per dollar. Ecuador now only issues its own centavo coins.
Document 11: Euro: The changeover period during which the former currencies' notes and coins were exchanged for those of the euro lasted about two months, until 28 February 2002. The official date on which the national currencies ceased to be legal tender varied from member state to member state. The earliest date was in Germany, where the mark officially ceased to be legal tender on 31 December 2001, though the exchange period lasted for two months more. Even after the old currencies ceased to be legal tender, they continued to be accepted by national central banks for periods ranging from several years to indefinitely (the latter for Austria, Germany, Ireland, Estonia and Latvia in banknotes and coins, and for Belgium, Luxembourg, Slovenia and Slovakia in banknotes only). The earliest coins to become non-convertible were the Portuguese escudos, which ceased to have monetary value after 31 December 2002, although banknotes remain exchangeable until 2022.
Document 12: Intiö Water Tower: Intiö Water Tower has been designed by architect J. S. Sirén and it was completed in 1927. It is the first water tower of the Oulu Waterworks. A water tower in Myllytulli had been built in 1921, but it was only used by the Veljekset Åström leather factory. The water tower is tall and capable of holding of water.
Document 13: Mozambican metical: The metical (MZM) replaced the escudo at par on 16 June 1980. It was divided into 100 centavos. The metical underwent severe inflation. After the revaluation of the Romanian leu, the metical briefly became the least valued currency unit, at a value of about 24,500 meticais per USD, until the Zimbabwean dollar took the title in late August 2005.
Document 14: Economy of Greece: Between 1832 and 2002 the currency of Greece was the drachma. After signing the Maastricht Treaty, Greece applied to join the eurozone. The two main convergence criteria were a maximum budget deficit of 3% of GDP and a declining public debt if it stood above 60% of GDP. Greece met the criteria as shown in its 1999 annual public account. On 1 January 2001, Greece joined the eurozone, with the adoption of the euro at the fixed exchange rate ₯340.75 to €1. However, in 2001 the euro only existed electronically, so the physical exchange from drachma to euro only took place on 1 January 2002. This was followed by a ten-year period for eligible exchange of drachma to euro, which ended on 1 March 2012.
Document 15: Spanish peseta: The peseta was replaced by the euro in 2002, following the establishment of the euro in 1999. The exchange rate was 1 euro = 166.386 pesetas.
ground_truth: The Finnish markka
sub_queries: Where was Jaakko Tähtinen from? Answer: Finland
what was Finland 's currency before the euro Answer: The Finnish markka