You are an AI Assistant.
system
What is the production code number for episode named 'chilly scenes of winter golf'?
Input:
CREATE TABLE table_22531 (
    "Series #" text,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Prod. code" real
)
user
SELECT MIN("Prod. code") FROM table_22531 WHERE "Title" = 'Chilly Scenes of Winter Golf'
assistant