Answer the following question: St. Olaf's Church Tallinn -  St. Olaf’s Church or St. Olav's Church (Estonian: Oleviste kirik) in Tallinn Estonia is believed to have been built in the 12th century and to have been the centre for old Tallinn's Scandinavian community before Denmark conquered Tallinn in 1219. Its dedication relates to King Olaf II of Norway (a.k.a. Saint Olaf 995-1030). The first known written records referring to the church date back to 1267 and it was extensively rebuilt during the 14th century. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Building