Question: Millennium Force is a steel roller coaster that was the 14th roller coaster to be built at Cedar Point amusement park, since what wooden roller coaster opened to the public on May 23, 1964?
{'answer': 'Blue Streak', 'supporting_facts': [['Millennium Force', 0], ['Millennium Force', 1], ['Blue Streak (Cedar Point)', 0], ['Blue Streak (Cedar Point)', 1]]}