Table:
0
A
B
C
D
E
1
Country
Territory
Name
Birth date
Death date
2
Denmark
Faroe Islands
Jóhannes Tauser
23 February 1902
12 January 2008
3
Denmark
Faroe Islands
Frederikke Maria Sigvardsen
2 July 1875
23 November 1980
4
Denmark
Greenland
Agnethe Fencker
24 October 1910
Jan.-June 2013
5
France
French Guiana
Eudoxie Baboul
1 October 1901
Living
6
France
Guadeloupe
Luce Maced
2 May 1886
25 February 2000
7
France
Martinique
Irénise Moulonguet
6 November 1900
28 May 2013
8
France
New Caledonia
Marie-Louise Lhuillier
26 June 1895
28 December 2007
9
France
Réunion
Julia Sinédia-Cazour
12 July 1892
6 October 2005
10
France
Réunion
Théophane Rifosta
6 September 1889
16 June 1999
11
France
Saint Barthélemy
Eugénie Blanchard
16 February 1896
4 November 2010
12
United States
Puerto Rico
Emiliano Mercado del Toro
21 August 1891
24 January 2007
13
United States
Puerto Rico
Ramona Trinidad Iglesias-Jordan
31 August 1889
29 May 2004

Questions and formulas:
Question: What country has a territory of French Guiana?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="french guiana"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E13,B2:B13="french guiana"),1))
Level: medium