What is the first class team of the player born on 23 February 1973?
CREATE TABLE "australia" (
  "player" text,
  "date_of_birth" text,
  "batting_style" text,
  "bowling_style" text,
  "first_class_team" text
);
SELECT "first_class_team" FROM "australia" WHERE "date_of_birth"='23 february 1973';