Question: The Y platform, or Y body, designation has been used twice by the General Motors Corporation, the first was for a group of entry-level compacts including the conventional front-engine compacts built by GM divisions Buick, Oldsmobile and Pontiac from 1961 to which year?
{'answer': '1963', 'supporting_facts': [['GM Y platform', 1], ['Oldsmobile', 0]]}