Table:
0
A
B
C
D
E
F
G
1
(Virtual)
Callsign
Affiliation
Branding
Channel
Programming
Owner
2
4.1
WNBC
NBC ( O&O )
4 New York or NBC 4
4.2
Cozi TV
NBCUniversal Licensee: NBC Telemundo License LLC
3
11.1
WPIX
CW ( Affiliate )
Pix 11
11.2 11.3
Antenna TV This TV
Tribune Company Licensee: WPIX, Inc.
4
13.1
WNET
PBS
Thirteen
13.2 13.3
PBS Kids V-Me
WNET.ORG
5
21.1
WLIW
PBS
WLIW21
21.2 21.3
Create PBS World
WNET.ORG
6
25.1
WNYE
Independent
NYCTV
25.2
NYCTV Gov (government programming)
NYC Media
7
47.1
WNJU
Telemundo ( O&O )
Telemundo 47
47.2 47.3
Telemundo 2 soi
NBCUniversal Licensee: NBC Telemundo License LLC
8
48.1
WRNN
Independent
RNN
48.2 48.3 48.4 48.5
Al Jazeera English Arirang GCN NHK World
WRNN License Company, LLC

Questions and formulas:
Question: what is the owner of the callsign wliw
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="WLIW"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,B2:B8="WLIW"),7))
Level: medium
Question: how many callsigns are for the branding telemundo 47
Formula: ROWS(UNIQUE(FILTER(B1, D1="Telemundo 47")))
Formula2: ROWS(UNIQUE(FILTER(B2:B8, D2:D8="Telemundo 47")))
Level: medium
Question: what is the virtual callsign if is wnet
Formula: SUMIFS(A1,B1,"WNET")
Formula2: SUMIFS(A2:A8,B2:B8,"WNET")
Level: easy
Question: what is the name of the branding where the virtual is 13.1
Formula: LET(query1,SUMMARIZE(D1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=13.1))
Formula2: LET(query1,SUMMARIZE(D2:D8,SUMX(A2:A8)),FILTER(query1,CHOOSECOLS(query1,2)=13.1))
Level: hard