CREATE TABLE "circuits" (
"circuitId" INTEGER PRIMARY KEY,
  "circuitRef" TEXT,
  "name" TEXT,
  "location" TEXT,
  "country" TEXT,
  "lat" REAL,
  "lng" REAL,
  "alt" TEXT,
  "url" TEXT
)

CREATE TABLE "races" (
"raceId" INTEGER PRIMARY KEY,
  "year" INTEGER,
  "round" INTEGER,
  "circuitId" INTEGER,
  "name" TEXT,
  "date" TEXT,
  "time" TEXT,
  "url" TEXT,
  FOREIGN KEY ("circuitId") REFERENCES "circuits"("circuitId")
)

CREATE TABLE "drivers" (
"driverId" INTEGER PRIMARY KEY,
  "driverRef" TEXT,
  "number" TEXT,
  "code" TEXT,
  "forename" TEXT,
  "surname" TEXT,
  "dob" TEXT,
  "nationality" TEXT,
  "url" TEXT
)

CREATE TABLE "status" (
"statusId" INTEGER PRIMARY KEY,
  "status" TEXT
)

CREATE TABLE "seasons" (
"year" INTEGER PRIMARY KEY,
  "url" TEXT
)

CREATE TABLE "constructors" (
	"constructorId" INTEGER PRIMARY KEY,
  "constructorRef" TEXT,
  "name" TEXT,
  "nationality" TEXT,
  "url" TEXT
)

CREATE TABLE "constructorStandings" (
	"constructorStandingsId" INTEGER PRIMARY KEY,
  "raceId" INTEGER,
  "constructorId" INTEGER,
  "points" REAL,
  "position" INTEGER,
  "positionText" TEXT,
  "wins" INTEGER,
  FOREIGN KEY("constructorId") REFERENCES "constructors"("constructorId"),
  FOREIGN KEY("raceId") REFERENCES "races"("raceId")
)

CREATE TABLE "results" (
"resultId" INTEGER PRIMARY KEY,
  "raceId" INTEGER,
  "driverId" INTEGER,
  "constructorId" INTEGER,
  "number" INTEGER,
  "grid" INTEGER,
  "position" TEXT,
  "positionText" TEXT,
  "positionOrder" INTEGER,
  "points" REAL,
  "laps" TEXT,
  "time" TEXT,
  "milliseconds" TEXT,
  "fastestLap" TEXT,
  "rank" TEXT,
  "fastestLapTime" TEXT,
  "fastestLapSpeed" TEXT,
  "statusId" INTEGER,
  FOREIGN KEY("constructorId") REFERENCES "constructors"("constructorId"),
  FOREIGN KEY("raceId") REFERENCES "races"("raceId"),
  FOREIGN KEY ("driverId") REFERENCES "drivers"("driverId")
)

CREATE TABLE "driverStandings" (
"driverStandingsId" INTEGER PRIMARY KEY,
  "raceId" INTEGER,
  "driverId" INTEGER,
  "points" REAL,
  "position" INTEGER,
  "positionText" TEXT,
  "wins" INTEGER,
  FOREIGN KEY("raceId") REFERENCES "races"("raceId"),
  FOREIGN KEY ("driverId") REFERENCES "drivers"("driverId")
)

CREATE TABLE "constructorResults" (
"constructorResultsId" INTEGER PRIMARY KEY,
  "raceId" INTEGER,
  "constructorId" INTEGER,
  "points" REAL,
  "status" TEXT,
  FOREIGN KEY("constructorId") REFERENCES "constructors"("constructorId"),
  FOREIGN KEY("raceId") REFERENCES "races"("raceId")
)

CREATE TABLE "qualifying" (
"qualifyId" INTEGER PRIMARY KEY,
  "raceId" INTEGER,
  "driverId" INTEGER,
  "constructorId" INTEGER,
  "number" INTEGER,
  "position" INTEGER,
  "q1" TEXT,
  "q2" TEXT,
  "q3" TEXT,
  FOREIGN KEY("constructorId") REFERENCES "constructors"("constructorId"),
  FOREIGN KEY("raceId") REFERENCES "races"("raceId"),
  FOREIGN KEY ("driverId") REFERENCES "drivers"("driverId")
)

CREATE TABLE "pitStops" (
"raceId" INTEGER,
  "driverId" INTEGER,
  "stop" INTEGER,
  "lap" INTEGER,
  "time" TEXT,
  "duration" TEXT,
  "milliseconds" INTEGER,
  PRIMARY KEY ("raceId", "driverId", "stop"),
  FOREIGN KEY("raceId") REFERENCES "races"("raceId"),
  FOREIGN KEY ("driverId") REFERENCES "drivers"("driverId")
)

CREATE TABLE "lapTimes" (
"raceId" INTEGER,
  "driverId" INTEGER,
  "lap" INTEGER,
  "position" INTEGER,
  "time" TEXT,
  "milliseconds" INTEGER,
  PRIMARY KEY("raceId", "driverId", "lap"),
  FOREIGN KEY("raceId") REFERENCES "races"("raceId"),
  FOREIGN KEY ("driverId") REFERENCES "drivers"("driverId")
)
SELECT count(*) FROM results AS T1 JOIN races AS T2 ON T1.raceid = T2.raceid WHERE T2.name = "Australian Grand Prix" AND YEAR = 2009
How many drivers participated in the race Australian Grand Prix held in 2009?