Table:
0
A
B
C
D
E
1
Rank
Rider
Team
Speed
Time
2
1
Malcolm Uphill
Triumph
97.71mph
1:55.51.4
3
2
Peter Williams
Norton
97.69mph
1:55.52.6
4
3
Ray Pickrell
Norton
95.86mph
1:58.05.2
5
4
Tom Dickie
Triumph
94.14mph
2:00.15.0
6
5
Bob Heath
BSA
94.09mph
2:00.19.0
7
6
Hans-Otto Butenuth
BMW
93.54mph
2:01.01.8
8
7
Steve Spencer
Norton
93.18mph
2:01.29.2
9
8
Tommy Robb
Honda
92.26mph
2:02.42.0
10
9
John Cooper
Honda
91.32mph
2:03.57.6
11
10
Pat Mahoney
Norton
89.77mph
2:06.06.0

Questions and formulas:
Question: What is the average speed of rider Peter Williams?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="peter williams"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="peter williams"),4))
Level: medium
Question: What is the time/s of team Triumph in those races in which Triumph ranked higher than 4?
Formula: LET(query1,LET(query1,FILTER(A1:E1,C1="triumph"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<4))
Formula2: LET(query1,LET(query1,FILTER(A2:E11,C2:C11="triumph"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<4))
Level: hard