Question: What was the most successful single from the motion picture soundtrack from the  1985 American drama film directed by Taylor Hackford and choreographed by Twyla Tharp and stars Mikhail Baryshnikov, Gregory Hines, Jerzy Skolimowski, Helen Mirren and Isabella Rossellini?
{'answer': 'Separate Lives', 'supporting_facts': [['White Nights (soundtrack)', 0], ['White Nights (soundtrack)', 1], ['White Nights (1985 film)', 0]]}