CREATE TABLE "schedule_and_results" (
  "rnd" real,
  "date" text,
  "race_name" text,
  "length" text,
  "track" text,
  "location" text,
  "type" text,
  "pole_position" text,
  "winning_driver" text
);

Question: Who had the pole position in the August 15, 1981 race? 
SQL: SELECT "pole_position" FROM "schedule_and_results" WHERE "date"='August 15, 1981';

Question: Which track was used on September 12, 1981? 
SQL: SELECT "track" FROM "schedule_and_results" WHERE "date"='September 12, 1981';