Table:
0
A
B
C
D
E
F
G
H
1
Rnd
Date
Race Name
Length
Track
Location
Pole Position
Winning Driver
2
1
March 14
Jimmy Bryan 150
mi (km)
Phoenix International Raceway
Avondale , Arizona
Al Unser
Bobby Unser
3
2
May 2
Trenton 200
mi (km)
Trenton International Speedway
Trenton , New Jersey
A. J. Foyt
Johnny Rutherford
4
3
May 30
International 500 Mile Sweepstakes
mi (km)
Indianapolis Motor Speedway
Speedway , Indiana
Johnny Rutherford
Johnny Rutherford
5
4
June 13
Rex Mays Classic
mi (km)
Wisconsin State Fair Park Speedway
West Allis , Wisconsin
Gordon Johncock
Mike Mosley
6
5
June 27
Schaefer 500
mi (km)
Pocono International Raceway
Long Pond , Pennsylvania
Johnny Parsons
Al Unser
7
6
July 18
Norton Twin 200s
mi (km)
Michigan International Speedway
Brooklyn , Michigan
A. J. Foyt
Gordon Johncock
8
7
August 1
Texas 150
mi (km)
Texas World Speedway
College Station , Texas
A. J. Foyt
A. J. Foyt
9
8
August 15
Trenton 200
mi (km)
Trenton International Speedway
Trenton , New Jersey
A. J. Foyt
Gordon Johncock
10
9
August 22
Tony Bettenhausen 200
mi (km)
Wisconsin State Fair Park Speedway
West Allis , Wisconsin
Johnny Rutherford
Al Unser
11
10
September 5
California 500
mi (km)
Ontario Motor Speedway
Ontario , California
A. J. Foyt
Bobby Unser
12
11
September 18
Michigan 150
mi (km)
Michigan International Speedway
Brooklyn , Michigan
A. J. Foyt
A. J. Foyt
13
12
October 31
Benihana World Series of Auto Racing
mi (km)
Texas World Speedway
College Station , Texas
A. J. Foyt
Johnny Rutherford

Questions and formulas:
Question: In what round did Al Unser win at Wisconsin State Fair Park Speedway? 
Formula: MIN(FILTER(A1, (H1="Al Unser")*(E1="Wisconsin State Fair Park Speedway")))
Formula2: MIN(FILTER(A2:A13, (H2:H13="Al Unser")*(E2:E13="Wisconsin State Fair Park Speedway")))
Level: easy
Question: How many races are in College Station, Texas and won by Johnny Rutherford? 
Formula: ROWS(UNIQUE(FILTER(C1, (F1="College Station, Texas")*(H1="Johnny Rutherford"))))
Formula2: ROWS(UNIQUE(FILTER(C2:C13, (F2:F13="College Station, Texas")*(H2:H13="Johnny Rutherford"))))
Level: medium
Question: What was the name of the race that Al Unser had the pole position? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,G1="Al Unser"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H13,G2:G13="Al Unser"),3))
Level: medium
Question: What is the name of the track for the International 500 mile Sweepstakes race? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,C1="International 500 Mile Sweepstakes"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H13,C2:C13="International 500 Mile Sweepstakes"),5))
Level: medium
Question: Which locations did Gordon Johncock hold the pole position? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,G1="Gordon Johncock"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H13,G2:G13="Gordon Johncock"),6))
Level: medium