Question: Are both Cangzhou and Qionghai in the Hebei province of China?
Sentence (from "Cangzhou"): At the 2010 census, Cangzhou's built-up ("or metro") area made of Yunhe, Xinhua districts and Cang County largely being conurbated had a population of 1,205,814 inhabitants, while the prefecture-level administrative unit in total has a population of 7,134,062.
Relevant evidence: No