Question: International Street is a themed area at Canada's Wonderland theme park in Vaughan, Ontario, the street ends at Wonder Mountain, a visual landmark for navigating through much of the park, a similar format is used in Kings Island theme park, albeit with a replica of the Eiffel Tower at the end of the park, it opened in which year at Kings Island?
{'answer': '1972', 'supporting_facts': [['International Street', 3], ['Eiffel Tower (Cedar Fair)', 1]]}