[['district', 'vacator', 'reason for change', 'successor', 'date successor seated'], ['montana 2nd', "james f o'connor (d)", 'died january 15 , 1945', "wesley a d'ewart (r)", 'june 5 , 1945'], ['illinois 24th', 'james v heidinger (r)', 'died march 22 , 1945', 'roy clippinger (r)', 'november 6 , 1945'], ['oregon 1st', 'james w mott (r)', 'died november 12 , 1945', 'a walter norblad (r)', 'january 18 , 1946'], ['north carolina 10th', 'joseph w ervin (d)', 'died december 25 , 1945', 'sam ervin (d)', 'january 22 , 1946'], ['new york 19th', 'samuel dickstein (d)', 'resigned december 30 , 1945', 'arthur g klein (d)', 'february 19 , 1946'], ['pennsylvania 23rd', 'j buell snyder (d)', 'died february 24 , 1946', 'carl h hoffman (r)', 'may 21 , 1946'], ['north carolina 8th', 'william o burgin (d)', 'resigned april 11 , 1946', 'eliza jane pratt (d)', 'may 25 , 1946'], ['minnesota 3rd', 'william gallagher (dfl)', 'died august 13 , 1946', 'vacant', 'not filled this term'], ['new york 4th', 'clinton p anderson (d)', 'died october 20 , 1946', 'vacant', 'not filled this term']]
most of Vacator Died in 1945
most of [ENT] [ENT] in [ENT]