He ran for a fifth term in the 1986 general election but was defeated in a shocking upset by Liberal candidate Grant Mitchell .
Amerongen won re-election with increasing majorities three more times in the 1975 , 1979 and 1982 general elections .
Amerongen ran for a fifth term in the 1986 general election but was defeated in a shocking upset by Liberal candidate Grant Mitchell .
Amerongen won re-election with increasing majorities three more times in the 1975 , 1979 and 1982 general elections .