Table:
0
A
B
C
D
E
1
District
Vacator
Reason for change
Successor
Date successor seated
2
Kentucky 7th
George Robertson (DR)
resigned before Congress met
John S. Smith (DR)
Seated December 3, 1821
3
Kentucky 8th
Wingfield Bullock (DR)
Died October 13, 1821, before Congress met
James D. Breckinridge (DR)
Seated January 2, 1822
4
Maryland 6th
Jeremiah Cosden (DR)
Cosden's election was contested by Reed
Philip Reed (DR)
Seated March 19, 1822
5
Pennsylvania 14th
Henry Baldwin (DR)
Resigned on May 8, 1822
Walter Forward (DR)
Seated December 2, 1822
6
South Carolina 9th
James Blair (DR)
Resigned on May 8, 1822
John Carter (DR)
Seated December 11, 1822
7
South Carolina 2nd
William Lowndes (DR)
Resigned on May 8, 1822
James Hamilton, Jr. (DR)
Seated January 6, 1823
8
Pennsylvania 6th
Samuel Moore (DR)
Resigned on May 20, 1822
Samuel D. Ingham (DR)
Seated December 2, 1822
9
South Carolina 4th
James Overstreet (DR)
Died May 24, 1822
Andrew R. Govan (DR)
Seated December 4, 1822
10
Virginia 2nd
Thomas Van Swearingen (F)
Died on August 19, 1822
James Stephenson (F)
Seated December 2, 1822
11
Florida Territory At-large
Vacant
Florida Territory was organized on March 30, 1822
Joseph M. Hernández
Seated January 3, 1823

Questions and formulas:
Question: What is the reason for change when maryland 6th is the district? 
Formula: FILTER(C1,A1="Maryland 6th")
Formula2: FILTER(C2:C11,A2:A11="Maryland 6th")
Level: easy
Question: Who is the vacator when south carolina 4th is the district?
Formula: FILTER(B1,A1="South Carolina 4th")
Formula2: FILTER(B2:B11,A2:A11="South Carolina 4th")
Level: easy
Question: Who is the successor when florida territory at-large is the district?
Formula: FILTER(D1,A1="Florida Territory At-large")
Formula2: FILTER(D2:D11,A2:A11="Florida Territory At-large")
Level: easy