List of oldest buildings in Canada

Columns: Building | Built | City | Architect
Anderson House | 1805 | St. John 's | James Anderson | Government House | 1831 | St. John 's | Hebron Moravian Mission | 1830s | Hebron | Alexander House | 1835 | Bonavista | Cathedral of St. John the Baptist | 1847 | St. John 's | George Gilbert Scott | Bank of British North America Building | 1849 | St. John 's | William Howe Greene | Colonial Building | 1850 | St. John 's | James Purcell | Church of St. James the Apostle | 1852 | Battle Harbour | William Grey | Basilica of St. John The Baptist | 1855 | St. John 's | J.P. Jones | Point Amour lighthouse | 1854-1857 | Point Amour | Charles François Xavier Baby | Saint Bonaventure 's College | 1858 | St. John 's

Example questions:
One of the oldest buildings in Canada is located in a town with a current area of 31.5 km2 which town is this ? | Which of the oldest buildings in Canada in the northernmost settlement in Labrador built ? | Dr. Jonathan Ogden built one of the oldest buildings in Canada what year was the building on the land purchased ? | Which building in the list of the oldest buildings in Canada was damaged by a fire in 1982 ?

Answers:
Alexander House | 1831 | 1805 | St. John 's