[['date (gmt)', 'yield (megatons)', 'deployment', 'country', 'test site', 'name or number'], ['october 30 , 1961', '50', 'parachute air drop', 'soviet union', 'novaya zemlya', 'tsar bomba , test 130'], ['december 24 , 1962', '24.2', 'air drop', 'soviet union', 'novaya zemlya', 'test 219'], ['august 5 , 1962', '21.1', 'air drop', 'soviet union', 'novaya zemlya', 'test 147'], ['september 27 , 1962', '20.0', 'air drop', 'soviet union', 'novaya zemlya', 'test 174'], ['september 25 , 1962', '19.1', 'air drop', 'soviet union', 'novaya zemlya', 'test 173'], ['february 28 , 1954', '15', 'ground', 'usa', 'bikini atoll', 'castle bravo'], ['may 4 , 1954', '13.5', 'barge', 'usa', 'bikini atoll', 'castle yankee'], ['october 23 , 1961', '12.5', 'air drop', 'soviet union', 'novaya zemlya', 'test 123'], ['march 26 , 1954', '11.0', 'barge', 'usa', 'bikini atoll', 'castle romeo'], ['october 31 , 1952', '10.4', 'ground', 'usa', 'eniwetok', 'ivy mike'], ['august 25 , 1962', '10.0', 'air drop', 'soviet union', 'novaya zemlya', 'test 158']]
the Soviet Union was the Country with the most Deployment in Novaya Zemlya
the [ENT] was the [ENT] with the most [ENT] in [ENT]