What lengths did Phoenix International Raceway host?
CREATE TABLE "schedule_and_results" (
  "rnd" real,
  "date" text,
  "length" text,
  "race_name" text,
  "track" text,
  "location" text,
  "pole_position" text,
  "winning_driver" text
);
SELECT "length" FROM "schedule_and_results" WHERE "track"='Phoenix International Raceway';