Table:
0
A
B
C
D
E
1
Year
Entrant
Chassis
Engine
Points
2
1969
Owen Racing Organisation
BRM P138
BRM
0
3
1970
Owen Racing Organisation
BRM P139
BRM
0
4
1970
Owen Racing Organisation
BRM P153
BRM
0
5
1970
Yardley Team BRM
BRM P153
BRM
0
6
1971
Yardley Team BRM
BRM P160
BRM
0

Questions and formulas:
Question: What is the chassis for the year of 1969?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1=1969),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6=1969),3))
Level: medium