Conversation so far:
What mistake did Peter Shilton make against Poland?
Shilton was unable to stop both goals in a 2–0 defeat, making victory in the final qualifier a necessity if England were to make the finals
When was Peter Shilton unable to stop both goals in a 2-0 defeat against Poland?
The crucial World Cup qualifier loss against Poland happened in the summer of 1973.

Question: what game was the game he made that mistake?
Self-contained rewrite: what game was the game Peter Shilton made that mistake of not blocking goals against Poland?