Table:
0
A
B
C
D
E
F
G
H
1
City
1860
1870
1880
1890
1900
1910
1920
2
Benicia
1,470
1,656
2,067
2,951
2,751
2,360
2,693
3
Dixon
N/A
N/A
N/A
1,082
783
827
926
4
Elmira
N/A
N/A
816
869
717
494
452
5
Rio Vista
N/A
888
1,232
1,236
682
884
1,104
6
Vacaville
1,831
1,701
1,299
2,712
1,220
1,177
1,254
7
Vallejo
1,431
6,391
6,587
6,866
7,965
11,340
21,107

Questions and formulas:
Question: What is the 1880 figure when 1860 is N/A and 1910 is 494?
Formula: FILTER(D1,(B1="n/a")*(G1=494))
Formula2: FILTER(D2:D7,(B2:B7="n/a")*(G2:G7=494))
Level: easy
Question: What is the 1920 number when 1890 is greater than 1,236, 1910 is less than 1,177 and the city is Vacaville?
Formula: SUM(FILTER(H1,(E1>"1,236")*(A1="vacaville")*(G1<"1,177")))
Formula2: SUM(FILTER(H2:H7,(E2:E7>"1,236")*(A2:A7="vacaville")*(G2:G7<"1,177")))
Level: easy