Table:
0
A
B
C
D
E
F
G
1
Perpetrator
Date
Year
Location
Country
Killed
Injured
2
Woo Bum-Kon , 27
04.26 April 26/27
1982
Uiryeong
South Korea
56
34–37
3
Feng Wanhai, 26 Jiang Liming, 22
11.18 Nov. 18
1995
Zhaodong
China
32
16
4
Toi, Mutsuo , 21
05.21 May 21
1938
Kaio
Japan
30
03 3
5
Tian Mingjian , 31
09.20 Sep. 20
1994
Beijing
China
23
30–80
6
Michael Zhu
04.00 April
1950
Nainital
India
22
0.0 ?
7
Rz
06.32
1939.9
Cz
Cz
100.9
100.9
8
Unknown
04.01 April 1
1978
Dong Doc
Laos
16
60
9
Bales, Robert , 38
03.11 March 11
2012
Najeeban & Alkozai
Afghanistan
16
6
10
Yuan Daizhong, 41
11.18 Nov. 18
2004
Yueyang & Xima
China
15
28
11
Harphul Singh
07.23 July 23
1930
Tohana
India
15
0.0 ?
12
Ramesh Sharma , 28
07.23 July 23
1983
Mandsaur
India
14
09 9
13
Tz
08.32
1999.9
Lz
Iz
100.9
100.9
14
Hu Wenhai, 46 Liu Haiwang, 40
10.26 Oct. 26
2001
Dayukou
China
14
03 3
15
Unknown Soldier
06.14 June 14
1912
Guangzhou
China
14
02.1 2+
16
Unknown
08.00 Aug.
1938
Bhatinda
India
12
08 8
17
Shi Yuejun , 35
09.24 Sep. 24–29
2006
Liuhe & Tonghua county
China
12
05 5
18
Duong Van Mon, 35
08.08 Aug. 8
1998
Đắk Lắk Province
Vietnam
12
02.6 2–6

Questions and formulas:
Question: What is Date, when Country is "China", and when Perpetrator is "Shi Yuejun , 35"?
Formula: FILTER(B1,(E1="china")*(A1="shi yuejun , 35"))
Formula2: FILTER(B2:B18,(E2:E18="china")*(A2:A18="shi yuejun , 35"))
Level: easy
Question: What is Injured, when Country is "Afghanistan"?
Formula: FILTER(G1,E1="afghanistan")
Formula2: FILTER(G2:G18,E2:E18="afghanistan")
Level: easy
Question: What is Country, when Killed is "100.9", and when Year is greater than 1939.9?
Formula: FILTER(E1,(F1=100.9)*(C1>1939.9))
Formula2: FILTER(E2:E18,(F2:F18=100.9)*(C2:C18>1939.9))
Level: easy
Question: What is the average Year, when Date is "04.01 April 1"?
Formula: AVERAGE(FILTER(C1,B1="04.01 april 1"))
Formula2: AVERAGE(FILTER(C2:C18,B2:B18="04.01 april 1"))
Level: easy