In what year was the winner of the US Open (at Oakmont) in 2007 born?
1969
1970
1970
1976
1970
1976
1973
1967
1970
1972
1976
1973
1969
1967
1968
1963
1965
1970
1972
1976
1973
1969
1980
1967
1968
1977
1963
1964
1965
1981
1970
1971
1966
1972
1976
1975
1978
1973
1982
1969
1980
1967
1968
1977
1963
1964
1965
1981
1970
1971
1966
1972
1974
1976
1975
1978
1973
1982
1969
1980
1967
1979
1968
1977
1963
1964
1965
1981
1970
1984
1960
1971
1966
1972
1983
1974
1976
1975
1978
1985
1973
1982
1969
1980
1962
1967
1979
1968
1977
1963
1964
1965
1958
1981
1970
1984
1960
1971
1966
1972
1983
1974
1976
1975
1978
1985
1973
1982
1969
1980
1986
1962
1967
1979
1968
1977
1963
1964
1965
1958
1987
1981
1970
1984
1960
1971
1966
1972
1961
1959
1983
1974
1976
1975
1978
1985
1973
1982
1969
1980
1986
1962
1967
1979
1968
1977
1955
1963
1964
1965
1958
1987
1981
1970
1984
1960
1971
1966
1972
1961
1959
1983
1974
1976
1975
1978
1985
1973
1957
1982
1969
1980
1986
1962
1967
1979
1968
1977
1955
1963
1964
1965
1988
1958
1987
1981
1970
1984
1960
1971
1966
1972
1961
1959
1983
1974
1976
1975
1978
1976.
1969.