List of oldest buildings in Canada

Columns: Building | Built | City
De Puisaye House | 1794 | Niagara-on-the-Lake | Bajus Brewery | 1794-1795 | Kingston | Fairfield-Gutzeit House | 1796 | Bath | Brown-Jouppien House | 1796 back/1802 front | St. Catharines | Park House Museum | 1796 | Amherstburg | Whirlpool House | 1796 | Niagara Falls

Example questions:
What mill is situated in a city called Niagara-on-the-Lake with a population of 17,511 in Ontario ? | What house in Ontario , built in 1796 , is situated in a city called Niagara Falls on the western bank of the Niagara River ? | Which building in Ontario , built in 1792 , is situated in a city called Greater Napanee that is popular for the cultivation of apples and strawberries ? | What house in Ontario , finished in 1802 , is situated in St. Catharines the largest city in Canada 's Niagara Region ? | What house in Ontario , built in 1786 , is in a community known as Wellington on the shore of both Lake Ontario and West Lake ?

Answers:
Peter Secord Grist Mill | Whirlpool House | Old Hay Bay Church | Brown-Jouppien House | Daniel Reynolds House