Table:
0
A
B
C
D
E
1
Date
Unit
Aircraft
Opponent
Location
2
15 July 1916
23
F.E.2b
AGO C (DESF)
Bapaume
3
22 August 1916
11
F.E.2b (6994)
Roland C.II (OOC)
S of Bapaume
4
25 August 1916
11
F.E.2b (6994)
Aviatik C (OOC)
Bapaume
5
14 September 1916
11
F.E.2b (6994)
Two-seater (OOC)
SE of Bapaume
6
22 September 1916
11
F.E.2b
Scout (OOC)
Logeast
7
10 October 1916
11
F.E.2b (7678)
Scout (OOC)
Bapaume
8
17 October 1916
11
F.E.2b (7027)
Albatros D.I (OOC)
Mory
9
20 October 1916
11
F.E.2b (7027)
Albatros D.I (OOC)
Douxcette - Ayette
10
6 May 1917
43
Sopwith 1½ Strutter (A1010)
Two-seater (DES)
S of Avion
11
23 July 1917
43
Sopwith 1½ Strutter (A8785)
Albatros D.III (OOC)
NE of Lens
12
8 August 1917
25
D.H.4 (A7543)
Albatros D.V (OOC)
Henin Lietard
13
14 August 1917
25
D.H.4 (A7543)
Two-seater (OOC)
Lens

Questions and formulas:
Question: What aircraft is located at S of Avion?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="s of avion"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E13,E2:E13="s of avion"),3))
Level: medium
Question: What is the Unit for the Aircraft F.e.2b, located in Logeast?
Formula: SUM(FILTER(B1, (C1="f.e.2b")*(E1="logeast")))
Formula2: SUM(FILTER(B2:B13, (C2:C13="f.e.2b")*(E2:E13="logeast")))
Level: easy