Question: When was the  American professional basketball player born who currently plays for the Beijing Fly Dragons and led the team with 21.7 points in his first full season with the Knicks?
{'answer': 'February 20, 1977', 'supporting_facts': [['2004–05 New York Knicks season', 0], ['2004–05 New York Knicks season', 6], ['Stephon Marbury', 0]]}