Table:
0
A
B
C
D
E
1
Name
Type
Year Built
Where Built
Length
2
Messenger
sternwheeler
1872
Empire City
91'
3
Juno
propeller
1906
Marshfield
60.8'
4
Millicoma
sternwheeler
1909
Marshfield
55'
5
Pedler
sternwheeler
1908
Marshfield
124'
6
Fay No. 4
sternwheeler (gasoline)
1912
North Bend
136'
7
Life-Line
propeller (gasoline)
1912
Marshfield
36'
8
Rainbow
sternwheeler
1912
Marshfield
64'

Questions and formulas:
Question: What is the year built for the Fay No. 4?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="fay no. 4"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="fay no. 4"),3))
Level: medium
Question: Where the length is 91', what is the year built?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="91'"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="91'"),3))
Level: medium