Question: Reima Juhani Karppinen won a silver medal at what event that was held from August 30 to September 6 in 1981, at Oberschleibheim, outside Munich, Germany?
{'answer': 'The 1981 World Rowing Championships', 'supporting_facts': [['Reima Karppinen', 1], ['1981 World Rowing Championships', 0]]}