How many rounds were there a height of 6'5?
CREATE TABLE "table1_20860739_1" (
  "round" real,
  "choice" real,
  "player" text,
  "position" text,
  "height" text,
  "weight" real,
  "college" text
);
SELECT "round" FROM "table1_20860739_1" WHERE "height"='6''5';