Table:
0
A
B
C
D
E
F
1
City of license
Identifier
Frequency
Power
Class
RECNet
2
Beaver Creek
CBDM
690 AM
40 s watt
LP
Query
3
Carmacks
CBQF
990 AM
40 watts
LP
Query
4
Dawson City
CBDN*
560 AM
400 watts
C
Query
5
Destruction Bay / Burwash Landing
CBDL-FM
105.1 FM
96 watts
A
Query
6
Faro
CBQK-FM
105.1 FM
87 watts
A1
Query
7
Haines Junction
CBDF-FM
103.5 FM
90 watts
A1
Query
8
Mayo
CBDC
1230 AM 104.9 FM
40 watts
LP
Query
9
Ross River
CBQJ
990 AM
40 watts
LP
Query
10
Teslin
CBDK
940 AM
40 watts
LP
Query
11
Watson Lake
CBDB
990 AM
40 watts
LP
Query
12
Atlin , British Columbia
CBUA-FM
90.1 FM
14 watts
LP
Query
13
Whitehorse , Yukon
CFWH-FM-1
95.3 FM
50 watts
LP
Query

Questions and formulas:
Question: Which class has an identifier of CBUA-FM?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="cbua-fm"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,B2:B13="cbua-fm"),5))
Level: medium
Question: What is the city of license for the frequency 90.1 FM?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="90.1 fm"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,C2:C13="90.1 fm"),1))
Level: medium
Question: What is the power when the city of license is Beaver Creek?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="beaver creek"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,A2:A13="beaver creek"),4))
Level: medium
Question: What is the city of license when the class is LP and the identifier is CBDK?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="lp")*(B1="cbdk")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,(E2:E13="lp")*(B2:B13="cbdk")),1))
Level: medium
Question: What is the class when the frequency is 560 AM?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="560 am"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,C2:C13="560 am"),5))
Level: medium