Answer the following question: St. Mary's on the Flats originally known as the Church of Our Lady of the Lake was the first Catholic church building in Cleveland Ohio. The location where the church once stood can be found in an 1881 atlas at the south-east corner of Columbus Ave. and then Girard Ave. on the east bank of the Cuyahoga river in the flats. Irishtown Bend Archeological District where many of the parishioners lived lies to the west across the Cuyahoga river in what was Ohio City. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Building