Question: What is the population rank of the official region of England which has the town of St Helens ? 
Sentence (from "Metropolitan Borough of St Helens"): It is named after its largest town St Helens, and covers an area which includes the settlements of Sutton, St Helens, Earlestown, Rainhill, Eccleston, Clock Face, Haydock, Billinge, Rainford and Newton-le-Willows.
Relevant evidence: Yes