What position did the player who was with the grizzlies from 2007-2009 play?
CREATE TABLE "m" (
  "player" text,
  "nationality" text,
  "position" text,
  "years_for_grizzlies" text,
  "school_club_team" text
);
SELECT "position" FROM "m" WHERE "years_for_grizzlies"='2007-2009';