What was the height of this Freshman with a forward position?
CREATE TABLE "roster" (
  "name" text,
  "num" real,
  "position" text,
  "height" text,
  "weight" real,
  "year" text,
  "former_school" text,
  "hometown" text
);
SELECT "height" FROM "roster" WHERE "position"='Forward' AND "year"='Freshman';