Table:
0
A
B
C
D
E
1
Representative
Title
Presentation of Credentials
Termination of Mission
Appointed by
2
Robert L. Flanagin
Chargé d'Affaires ad interim
Nov 25, 1975
Mar 25, 1976
Gerald Ford
3
J. Owen Zurhellen, Jr.
Ambassador Extraordinary and Plenipotentiary
March 25, 1976
June 2, 1978
Gerald Ford
4
Nancy Ostrander
Ambassador Extraordinary and Plenipotentiary
June 29, 1978
July 8, 1980
Jimmy Carter
5
John J. Crowley, Jr.
Ambassador Extraordinary and Plenipotentiary
July 25, 1980
December 10, 1981
Jimmy Carter
6
Robert Werner Duemling
Ambassador Extraordinary and Plenipotentiary
August 4, 1982
August 24, 1984
Ronald Reagan
7
Robert E. Barbour
Ambassador Extraordinary and Plenipotentiary
October 25, 1984
October 23, 1987
Ronald Reagan
8
Richard C. Howland
Ambassador Extraordinary and Plenipotentiary
December 9, 1987
May 16, 1990
Ronald Reagan
9
John P. Leonard
Ambassador Extraordinary and Plenipotentiary
March 11, 1991
November 1, 1993
George H. W. Bush
10
Roger R. Gamble
Ambassador Extraordinary and Plenipotentiary
November 23, 1993
September 20, 1996
Bill Clinton
11
Dennis K. Hays
Ambassador Extraordinary and Plenipotentiary
March 14, 1997
June 14, 2000
Bill Clinton
12
Daniel A.Johnson
Ambassador Extraordinary and Plenipotentiary
September 29, 2000
June 3, 2003
Bill Clinton
13
Marsha E. Barnes
Ambassador Extraordinary and Plenipotentiary
August 11, 2003
July 27, 2006
George W. Bush
14
Lisa Bobbie Schreiber Hughes
Ambassador Extraordinary and Plenipotentiary
September 8, 2006
September 30, 2009
George W. Bush
15
John R. Nay
Ambassador Extraordinary and Plenipotentiary
October 16, 2009
Incumbent
Barack Obama

Questions and formulas:
Question: Which representative was the Ambassador Extraordinary and Plenipotentiary and had a Termination of Mission date September 20, 1996?
Formula: FILTER(A1,(B1="ambassador extraordinary and plenipotentiary")*(D1="september 20, 1996"))
Formula2: FILTER(A2:A15,(B2:B15="ambassador extraordinary and plenipotentiary")*(D2:D15="september 20, 1996"))
Level: easy
Question: Which representative has a Termination of MIssion date Mar 25, 1976?
Formula: FILTER(A1,D1="mar 25, 1976")
Formula2: FILTER(A2:A15,D2:D15="mar 25, 1976")
Level: easy
Question: What was the Termination of Mission date for the ambassador who was appointed by Barack Obama?
Formula: FILTER(D1,E1="barack obama")
Formula2: FILTER(D2:D15,E2:E15="barack obama")
Level: easy
Question: What is the Termination of Mission date for Marsha E. Barnes, the Ambassador Extraordinary and Plenipotentiary?
Formula: FILTER(D1,(B1="ambassador extraordinary and plenipotentiary")*(A1="marsha e. barnes"))
Formula2: FILTER(D2:D15,(B2:B15="ambassador extraordinary and plenipotentiary")*(A2:A15="marsha e. barnes"))
Level: easy
Question: Who appointed the representative that had a Presentation of Credentials on March 25, 1976?
Formula: FILTER(E1,C1="march 25, 1976")
Formula2: FILTER(E2:E15,C2:C15="march 25, 1976")
Level: easy