Table:
0
A
B
C
D
E
F
1
Year
Class
Team
Machine
Points
Wins
2
1984
500cc
Marlboro Yamaha
YZR500
10
0
3
1985
500cc
Marlboro Yamaha
YZR500
2
0
4
1986
250cc
Marlboro Yamaha
YZR250
28
1
5
1987
500cc
Marlboro Yamaha
YZR500
56
0
6
1988
500cc
Yamaha Racing Team
YZR500
36
0
7
1989
500cc
Tech-21 Yamaha
YZR500
39
0
8
1990
500cc
Tech-21 Yamaha
YZR500
10
0
9
1991
500cc
Y.R.T.R. Yamaha
YZR500
0
0

Questions and formulas:
Question: What are the Points after 1991?
Formula: SUM(FILTER(E1, A1>1991))
Formula2: SUM(FILTER(E2:E9, A2:A9>1991))
Level: easy
Question: What Class has 36 Points?
Formula: LET(query1,SUMMARIZE(B1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=36))
Formula2: LET(query1,SUMMARIZE(B2:B9,SUMX(E2:E9)),FILTER(query1,CHOOSECOLS(query1,2)=36))
Level: hard
Question: What is the Class after 1986?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1>1986),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9>1986),2))
Level: medium