Table:
0
A
B
C
D
E
F
G
H
1
Band Ch.
Call
City
Owner
Operator
Virt. Ch.
Nickname
Programming
2
19
WHOI
Peoria
Barrington
Granite
19.1
HOI 19
ABC
3
19
WHOI
Peoria
Barrington
Granite
19.2
CW 4
The CW
4
25
WEEK-TV
Peoria
Granite
Granite
25.1
WEEK 25
NBC
5
28
WYZZ-TV
Bloomington
Sinclair
Nexstar
43.1
Fox 43
Fox
6
28
WYZZ-TV
Bloomington
Sinclair
Nexstar
43.3
ZUUS Country
ZUUS Country
7
30
WMBD-TV
Peoria
Nexstar
Nexstar
31.1
WMBD 31
CBS
8
30
WMBD-TV
Peoria
Nexstar
Nexstar
31.2
Bounce TV
Bounce TV
9
39
WAOE
Peoria
Four Seasons
Granite
59.1
My59
MyNetworkTV
10
46
WTVP
Peoria
IVPTC
IVPTC
47.1
WTVP 47
PBS
11
46
WTVP
Peoria
IVPTC
IVPTC
47.2
WTVP World
PBS World
12
46
WTVP
Peoria
IVPTC
IVPTC
47.3
Create
Create
13
50
W50DD
Peoria
TBN
TBN
50.0
(off air)
(off air)

Questions and formulas:
Question: What channel has an operator of ivptc?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,E1="ivptc"),8))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H13,E2:E13="ivptc"),8))
Level: medium