rowid,type,start,end,party,how,executive_id,executive_id_label
94,viceprez,1961-01-20,1963-11-22,Democratic,election,61,Lyndon Johnson
95,prez,1963-11-22,1965-01-20,Democratic,succession,61,Lyndon Johnson
96,prez,1965-01-20,1969-01-20,Democratic,election,61,Lyndon Johnson