Question: On the east coast between south Lincolnshire and Hunstanton in Norfolk is one of England's largest estuaries. What's its name?
Sentence (from "Hunstanton Lifeboat Station"): This is the only lifeboat station on the east coast of England which faces westward, being positioned on the east side of the square-mouthed bay and estuary known as the Wash.
Relevant evidence: No