Question: Vostok 2, was a Soviet space mission which carried cosmonaut Gherman Titov into orbit for a full day on which date, Titov's number of orbits and flight time would be surpassed, until by American astronaut Gordon Cooper's Mercury-Atlas 9 spaceflight in May 1963?
{'answer': 'August 6, 1961', 'supporting_facts': [['Vostok 2', 0], ['Gordon Cooper', 0]]}