Table: usac_race_results_2
Columns: rnd
date
race_name
length
track
location
pole_position
winning_driver

Question: In what round did Al Unser win at Wisconsin State Fair Park Speedway? 
SQL: SELECT MIN("rnd") FROM usac_race_results_2 WHERE "winning_driver" = 'Al Unser' AND "track" = 'Wisconsin State Fair Park Speedway'

Question: How many races are in College Station, Texas and won by Johnny Rutherford? 
SQL: SELECT COUNT("race_name") FROM usac_race_results_2 WHERE "location" = 'College Station, Texas' AND "winning_driver" = 'Johnny Rutherford'

Question: What was the name of the race that Al Unser had the pole position? 
SQL: SELECT "race_name" FROM usac_race_results_2 WHERE "pole_position" = 'Al Unser'

Question: What is the name of the track for the International 500 mile Sweepstakes race? 
SQL: SELECT "track" FROM usac_race_results_2 WHERE "race_name" = 'International 500 Mile Sweepstakes'

Question: Which locations did Gordon Johncock hold the pole position? 
SQL: SELECT "location" FROM usac_race_results_2 WHERE "pole_position" = 'Gordon Johncock'