Table:
0
A
B
C
D
E
F
G
H
1
Rnd
Date
Length
Race Name
Track
Location
Pole Position
Winning Driver
2
1
March 18
Jimmy Bryan 150
mi (km)
Phoenix International Raceway
Avondale , Arizona
Bobby Unser
Bobby Unser
3
2
April 23
Trentonian 200
mi (km)
Trenton International Speedway
Trenton , New Jersey
Bobby Unser
Gary Bettenhausen
4
3
May 27
International 500 Mile Sweepstakes
mi (km)
Indianapolis Motor Speedway
Speedway , Indiana
Bobby Unser
Mark Donohue
5
4
June 4
Rex Mays Classic
mi (km)
Wisconsin State Fair Park Speedway
West Allis , Wisconsin
Bobby Unser
Bobby Unser
6
5
July 16
Michigan 200
mi (km)
Michigan International Speedway
Brooklyn , Michigan
Bobby Unser
Joe Leonard
7
6
July 29
Schaefer 500
mi (km)
Pocono International Raceway
Long Pond , Pennsylvania
Bobby Unser
Joe Leonard
8
7
August 13
Tony Bettenhausen 200
mi (km)
Wisconsin State Fair Park Speedway
West Allis , Wisconsin
Mario Andretti
Joe Leonard
9
8
September 3
California 500
mi (km)
Ontario Motor Speedway
Ontario , California
Jerry Grant
Roger McCluskey
10
9
September 24
Trenton 300
mi (km)
Trenton International Speedway
Trenton , New Jersey
Bobby Unser
Bobby Unser

Questions and formulas:
Question: What length was won by Roger McCluskey?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,H1="Roger McCluskey"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H10,H2:H10="Roger McCluskey"),3))
Level: medium
Question: What rounds did Phoenix International Raceway host?
Formula: SUMIFS(A1,E1,"Phoenix International Raceway")
Formula2: SUMIFS(A2:A10,E2:E10,"Phoenix International Raceway")
Level: easy
Question: What are the lengths hosted by Pocono International Raceway?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,E1="Pocono International Raceway"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H10,E2:E10="Pocono International Raceway"),3))
Level: medium
Question: What lengths did Phoenix International Raceway host?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,E1="Phoenix International Raceway"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H10,E2:E10="Phoenix International Raceway"),3))
Level: medium