CREATE TABLE "nascar_sprint_cup_series_race_winners" (
  "season" real,
  "date" text,
  "winning_driver" text,
  "car_num" real,
  "sponsor" text,
  "make" text,
  "team" text,
  "avg_speed" text,
  "margin_of_victory" text
);

Question: What team ran car #24 on August 30?
SQL: SELECT "team" FROM "nascar_sprint_cup_series_race_winners" WHERE "car_num"=24 AND "date"='august 30';

Question: What was the average speed of Tony Stewart's winning Chevrolet Impala?
SQL: SELECT "avg_speed" FROM "nascar_sprint_cup_series_race_winners" WHERE "winning_driver"='tony stewart' AND "make"='chevrolet impala';