Table:
0
A
B
C
D
E
1
Year
Entrant
Chassis
Engine
Points
2
1976
RAM Racing
Brabham BT44B
Cosworth V8
0
3
1977
Iberia Airlines
McLaren M23
Cosworth V8
0
4
1978
Centro Asegurador
McLaren M23
Cosworth V8
0
5
1981
Banco Occidental
Williams FW07
Cosworth V8
0
6
1982
LBT Team March
March 821
Cosworth V8
0

Questions and formulas:
Question: What is the average points that Centro Asegurador earned with the McLaren M23 chassis?
Formula: AVERAGE(FILTER(E1, (C1="mclaren m23")*(B1="centro asegurador")))
Formula2: AVERAGE(FILTER(E2:E6, (C2:C6="mclaren m23")*(B2:B6="centro asegurador")))
Level: easy
Question: What was the chassis of Emilio de Villota in 1981?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1>1981),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6>1981),3))
Level: medium