Table:
0
A
B
C
D
E
F
1
Call sign
Frequency MHz
City of license
ERP W
Class
FCC info
2
W221BY
92.1
Elgin, Illinois
38
D
FCC
3
W264BF
100.7
Englewood, Illinois
2
D
FCC
4
W240BJ
95.9
Crown Point, Indiana
10
D
FCC
5
W276BM
103.1
Park Forest, Illinois
19
D
FCC
6
W293AL
106.5
Rochester, Indiana
80
D
FCC
7
W223AU
92.5
South Bend, Indiana
10
D
FCC

Questions and formulas:
Question: What City of license has a Frequency MHz smaller than 95.9 with w223au as the call sign?
Formula: LET(query1,LET(query1,FILTER(A1:F1,A1="w223au"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<95.9))
Formula2: LET(query1,LET(query1,FILTER(A2:F7,A2:A7="w223au"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,2)))),FILTER(query1,CHOOSECOLS(query1,2)<95.9))
Level: hard
Question: What is the Call sign for the ERP W 19?
Formula: LET(query1,SUMMARIZE(A1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=19))
Formula2: LET(query1,SUMMARIZE(A2:A7,SUMX(D2:D7)),FILTER(query1,CHOOSECOLS(query1,2)=19))
Level: hard
Question: What FCC info is listed for the ERP W of 2?
Formula: LET(query1,SUMMARIZE(F1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=2))
Formula2: LET(query1,SUMMARIZE(F2:F7,SUMX(D2:D7)),FILTER(query1,CHOOSECOLS(query1,2)=2))
Level: hard
Question: What Call sign shows an ERP W of 80?
Formula: LET(query1,SUMMARIZE(A1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=80))
Formula2: LET(query1,SUMMARIZE(A2:A7,SUMX(D2:D7)),FILTER(query1,CHOOSECOLS(query1,2)=80))
Level: hard
Question: What is the Class for the ERP W of more than 2 and the call sign of w223au?
Formula: LET(query1,LET(query1,FILTER(A1:F1,A1="w223au"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)>2))
Formula2: LET(query1,LET(query1,FILTER(A2:F7,A2:A7="w223au"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,4)))),FILTER(query1,CHOOSECOLS(query1,2)>2))
Level: hard