SELECT SUM("Pick #") FROM table_47100 WHERE "Position" = 'guard' AND "Round" > '2'
What is the sum of Pick #, when Position is Guard, and when Round is greater than 2?
CREATE TABLE table_47100 (
    "Round" real,
    "Pick #" real,
    "Player" text,
    "Position" text,
    "College" text
)