CREATE TABLE "race_calendar_and_results" (
  "round" real,
  "circuit" text,
  "location" text,
  "date" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "winning_team" text,
  "supporting" text
);

Question: Who got the pole position if the supporting is USAC National Midget Series?
SQL: SELECT "pole_position" FROM "race_calendar_and_results" WHERE "supporting"='USAC National Midget Series';

Question: Who won the fastest lap if Anders Krohn won the pole position?
SQL: SELECT "fastest_lap" FROM "race_calendar_and_results" WHERE "pole_position"='Anders Krohn';

Question: How many rounds did João Victor Horto achieved the fastest lap?
SQL: SELECT COUNT("round") FROM "race_calendar_and_results" WHERE "fastest_lap"='João Victor Horto';

Question: What circuit was used on August 21?
SQL: SELECT "circuit" FROM "race_calendar_and_results" WHERE "date"='August 21';

Question: How many rounds did Alex Ardoin achieved a fastest lap?
SQL: SELECT COUNT("round") FROM "race_calendar_and_results" WHERE "fastest_lap"='Alex Ardoin';