SELECT SUM("Crowd") FROM table_58581 WHERE "Venue" = 'punt road oval'
What was the crowd attendance in the match at punt road oval?
CREATE TABLE table_58581 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
)