Question: W*A*L*T*E*R, starring American actor Gary Burghoff, was a 1984 pilot episode spin-off of which series in which Burghoff played Radar?
{'answer': 'M*A*S*H', 'supporting_facts': [['W*A*L*T*E*R', 0], ['W*A*L*T*E*R', 1], ['Gary Burghoff', 0]]}