member party term
member
party
term
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
text text timespan
john ryan none 1859-1864
how long did ian armstrong serve ?
WRB RB VBD-AUX NNP NNP VB .
26 years
select c3_maximum_number - c3_minimum_number from w where c1 = 'ian armstrong'