Table: 1981 u.s. open (golf)
[['place', 'player', 'country', 'score', 'to par', 'money'], ['1', 'david graham', 'australia', '68 + 68 + 70 + 67 = 273', '- 7', '55000'], ['t2', 'george burns', 'united states', '69 + 66 + 68 + 73 = 276', '- 4', '24650'], ['t2', 'bill rogers', 'united states', '70 + 68 + 69 + 69 = 276', '- 4', '24650'], ['t4', 'john cook', 'united states', '68 + 70 + 71 + 70 = 279', '- 1', '16200'], ['t4', 'john schroeder', 'united states', '71 + 68 + 69 + 71 = 279', '- 1', '16200'], ['t6', 'frank conner', 'united states', '71 + 72 + 69 + 68 = 280', 'e', '9920'], ['t6', 'lon hinkle', 'united states', '69 + 71 + 70 + 70 = 280', 'e', '9920'], ['t6', 'jack nicklaus', 'united states', '69 + 68 + 71 + 72 = 280', 'e', '9920'], ['t6', 'sammy rachels', 'united states', '70 + 71 + 69 + 70 = 280', 'e', '9920'], ['t6', 'chi - chi rodríguez', 'united states', '68 + 73 + 67 + 72 = 280', 'e', '9920']]
Statement: the most common To Par Score was E , which happened 5 time
Statement: the most common amount of Money earned was 9920 which happened 5 time
Statement: the only Country in the top 10 that was not the United State was Australia
Statement: the difference between first Place and the tie for second Place was - 3
Statement: the most common Place was T6 which happened 5 time