Table: 37th united states congress
[['district', 'vacator', 'reason for change', 'successor', 'date successor seated'], ['colorado territory at - large', 'new seat', 'new seat', 'hiram p bennett (conservative r)', 'august 19 , 1861'], ['nevada territory at - large', 'new seat', 'new seat', 'john cradlebaugh', 'december 2 , 1861'], ['dakota territory at - large', 'new seat', 'new seat', 'john b s todd (d)', 'december 9 , 1861'], ['louisiana 1st', 'vacant', 'vacant', 'benjamin f flanders (u)', 'december 3 , 1862'], ['louisiana 2nd', 'vacant', 'vacant', 'michael hahn (u)', 'december 3 , 1862'], ['virginia 1st', 'vacant', 'vacant', 'joseph e segar (u)', 'may 6 , 1862'], ['virginia 7th', 'vacant', 'vacant', 'charles h upton (u)', 'july 4 , 1861'], ['ohio 13th', 'john sherman (r)', 'resigned march 12 , 1861 when elected us senator', 'samuel t worcester (r)', 'july 4 , 1861'], ['pennsylvania 12th', 'george w scranton (r)', 'died march 24 , 1861', 'hendrick b wright (d)', 'july 4 , 1861'], ['oregon at - large', 'andrew j thayer (d)', 'election was successfully contested july 30 , 1861', 'george k shiel (d)', 'july 30 , 1861'], ['massachusetts 5th', 'william appleton (cu)', 'resigned september 27 , 1861 due to failing health', 'samuel hooper (r)', 'december 2 , 1861'], ['kentucky 1st', 'henry c burnett (d)', 'expelled december 3 , 1861 for support of secession', 'samuel l casey (u)', 'march 10 , 1862'], ['kentucky 2nd', 'james s jackson (u)', 'resigned december 13 , 1861 to enter the union army', 'george h yeaman (u)', 'december 1 , 1862'], ['virginia 7th', 'charles h upton (u)', 'declared not entitled to seat february 27 , 1862', 'lewis mckenzie (u)', 'february 16 , 1863'], ['illinois 9th', 'john a logan (d)', 'resigned april 2 , 1862 to enter the union army', 'william j allen (d)', 'june 2 , 1862'], ['pennsylvania 7th', 'thomas b cooper (d)', 'died april 4 , 1862', 'john d stiles (d)', 'june 3 , 1862'], ['massachusetts 9th', 'goldsmith f bailey (r)', 'died may 8 , 1862', 'amasa walker (r)', 'december 1 , 1862'], ['missouri 1st', 'francis p blair , jr (r)', 'resigned july 1862 to become colonel in union army', 'vacant', 'vacant for remainder of term']]
Statement: on 5 occasion a Change occurred in the 37th Us Congress because a candidate Resigned , leaving a vacancy
Statement: during this period 3 New Seat were created in Colorado Territory , Nevada Territory and Dakota Territory
Statement: 4 Seat were Vacant and had to be filled by New congressman , 2 in Louisiana and 2 in Virginia
Statement: 3 of the vacators Died while serving as congressman and their spot were filled with appropriate Successor
Statement: Andrew Thayer was removed from his position because his Election Was Contested , while Henry Burnett was Expelled during his Term For Support Of Secession