Question: Who starred as Mary in the film 2017 film about an intellectually gifted 7-year-old who becomes the subject of a custody battle between her uncle and grandmother?
{'answer': 'Mckenna Grace', 'supporting_facts': [['Mckenna Grace', 0], ['Mckenna Grace', 3], ['Gifted (film)', 1], ['Gifted (film)', 2]]}