Question: A railway constructed along aqueducts in north west England from Heywood to Rawtenstall was built in response to the growing population of what time period?
Sentence (from "East Lancashire Railway"): The East Lancashire Railway is a 12+1/2 mi heritage railway line in north west England which runs between Heywood and Rawtenstall with intermediate stations at Bury Bolton Street, Burrs Country Park , Summerseat, Ramsbottom and Irwell Vale.
Relevant evidence: Yes