Question: James Earl Ray, was a convicted murderer who assassinated James Earl Ray, was a convicted murderer assassinated Martin Luther King Jr., an American Baptist minister and activist who became the most visible spokesperson and leader in the Civil Rights Movement, on which date, in Memphis, Tennessee?
{'answer': 'April 4, 1968', 'supporting_facts': [['James Earl Ray', 0], ['Martin Luther King Jr.', 0]]}