Table: 500 festival open invitation
[['year', 'date', 'winner', 'score', 'to par', "winner 's share"], ['1968', 'jun 6 - 9', 'billy casper', '70 + 71 + 69 + 70 = 280', '8', '20000'], ['1967', 'jul 6 - 9', 'frank beard', '70 + 71 + 69 + 69 = 279', '9', '20000'], ['1966', 'jul 28 - 31', 'billy casper', '69 + 70 + 68 + 70 = 277', '11', '16400'], ['1965', 'may 24 - 27', 'bruce crampton', '71 + 70 + 67 + 71 = 279', '5', '15200'], ['1964', 'may 27 - 31', 'gary player', '70 + 66 + 70 + 67 = 273', '11', '12000'], ['1963', 'may 31 - jun 3', 'dow finsterwald', '68 + 68 + 64 + 68 = 268', '16', '10000'], ['1962', 'may 24 - 27', 'billy casper', '66 + 67 + 67 + 64 = 264', '18', '9000'], ['1961', 'may 25 - 28', 'doug ford', '69 + 69 + 67 + 68 = 273', '12', '9000'], ['1960', 'may 26 - 29', 'doug ford', '66 + 68 + 68 + 68 = 270', '14', '9000']]
Statement: Billy Casper won 3 time , on June 6 - 9 , 1968 , July 28 - 31 , 1966 , and May 24 - 27 , 1962
Statement: Doug Ford won 2 time , on May 25 - 28 , 1961 and May 26 - 29 , 1960
Statement: the Winner 's Share was the largest in 1968 and 1967 , at 20000
Statement: the Winner 's Share was the lowest in 1962 , 1961 , and 1960 , at 9000
Statement: the To Par was 11 for the Player in both 1966 and 1964