=======  ======  ==========  ==========  =======  ==========  ==============
  rowid  type    start       end         party    how           executive_id
=======  ======  ==========  ==========  =======  ==========  ==============
     34  prez    1850-07-09  1853-03-04  Whig     succession              20
=======  ======  ==========  ==========  =======  ==========  ==============