Question: Which company opened an amusement park in 1976 which had a roller coaster dismantled in 1988?
{'answer': 'Marriott Corporation', 'supporting_facts': [['Whizzer (roller coaster)', 0], ['Whizzer (roller coaster)', 1], ['Whizzer (roller coaster)', 2], ['Whizzer (roller coaster)', 3], ['Whizzer (roller coaster)', 4], ['Six Flags Great America', 0], ['Six Flags Great America', 1]]}