In what year was the lead singer of Nirvana born?
1967
1967
1967
1968
1967
1968
1964
1967
1965
1968
1964
1967
1965
1968
1963
1969
1964
1967
1966
1965
1960
1968
1963
1969
1970
1964
1967
1966
1965
1960
1968
1963
1969
1970
1964
1967
1966
1965
1960
1968
1963
1969
1970
1964
1967
1966
1965
1960
1962
1968
1963
1969
1970
1964
1967
1966
1965
1960
1962
1968
1963
1969
1970
1964
1967
1966
1965
1960
1962
1968
1963
1961
1969
1970
1964
1967
1966
1965
1960
1962
1971
1968
1963
1961
1972
1969
1970
1964
1967
1966
1965
1960
1962
1971
1968
1963
1961
1972
1969
1959
1970
1964
1967
1958
1966
1965
1960
1962
1971
1968
1963
1961
1972
1969
1959
1970
1964
1967
1958
1957
1966
1965
1960
1962
1971
1968
1963
1961
1972
1969
1959
1970
1964
1967
1958
1957
1966
1965
1960
1962
1971
1968
1963
1961
1956
1972
1969
1959
1970
1964
1967
1973
1958
1957
1966
1965
1960
1962
1971
1968
1963
1961
1956
1972
1969
1959
1970
1964
1967
1973
1955
1958
1957
1966
1965
1960
1962
1971
1968
1963
1961
1956
1972
1969
1959
1970
1964
1967
1973
1955
1958
1957
1966
1965
1960
1962
1971
1968
1963
1961
1956