Question: Girlguiding North West England has headquarters in the city that is on the north bank of what river?
Related documents: [0]  [DOC] Preston is a city and the administrative centre of Lancashire, England. On the north bank of the River Ribble, it is an urban settlement and unparished area that together with surrounding rural civil parishes forms the City of Preston local government district of Lancashire. The district obtained city status in 2002, becoming England's 50th city in the 50th year of Queen Elizabeth II's reign. Preston has a population of 114,300, the City of Preston district 132,000 and the Preston Built-up Area 313,322. The Preston Travel To Work Area, in 2011, had a population of 420,661 compared to 354,000 in the previous census. [END] 
[1]  [DOC] Girlguiding North West England is one of the nine Countries and Regions of Girlguiding UK. It is further subdivided into 17 Girlguiding Counties. These are not the same as the counties defined by the British government. The region was introduced in 1960 covering the Counties of Cumberland, Westmorland, Cheshire, Lancashire, plus the Isle of Man, with the headquarters in Preston. It is also known, for example to the Charity Commissioners, as the Guide Association North West England. [END] 
Answer: 
Ribble
Ribble