When did Van Halen release their second album?
1979
1980
1982
1980
1982
1981
1984
1980
1982
1981
1984
1975
1980
1982
1981
1984
1975
1980
1982
1987
1981
1984
1975
1980
1982
1979
1987
1981
1978
1984
1975
1977
1980
1982
1988
1979
1976
1987
1981
1983
1978
1984
1975
1977
1980
1982
1988
1979
1976
1987
1981
1983
1986
1973
1978
1984
1972
1975
1970
1985
1977
1980
1982
1988
1979
1976
1987
1981
1983
1986
1973
1978
1984
1972
1975
1970
1985
1977
1980
1982
1988
1979
1976
1987
1981
1983
1990
1986
1973
1978
1984
1972
1975
1970
1985
1974
1977
1980
1982
1988
1979
1976
1987
1981
1983
1990
1986
1973
1978
1984
1972
1975
1970
1985
1974
1977
1980
1982
1988
1971
1979
1976
1987
1989
1981
1983
1990
1986
1973
1978
1984
1972
1975
1970
1985
1974
1977
1980
1982
1988
1971
1979
1991
1968
1976
1987
1989
1981
1983
1990
1986
1973
1978
1984
1972
1975
1970
1985
1974
1977
1980
1982
1969
1988
1971
1979
1991
1968
1976
1987
1989
1981
1983
1990
1986
1992
1973
1978
1984
1972
1975
1970
1985
1974
1977
1980
1982
1969
1988
1971
1979
1991
1968
1976
1987
1989
1981
1983
1990
1986
1992