Question: Which production company produced both Frosty the Snowman in 1969 and Frosty's Winter Wonderland in 1976?
{'answer': 'Rankin/Bass Productions', 'supporting_facts': [["Frosty's Winter Wonderland", 0], ['Frosty the Snowman (film)', 0], ['Frosty the Snowman (film)', 1]]}