SELECT MIN("Round") FROM table_30908 WHERE "Result (includes margin)" = 'Lost by 36 points'
What is the earliest round where collingswood lost by 36 points?
CREATE TABLE table_30908 (
    "Round" real,
    "Date" text,
    "Opponent" text,
    "Home/Away" text,
    "Score (Collingwoods score is in bold)" text,
    "Result (includes margin)" text,
    "Venue" text,
    "Position on Ladder" text
)