Question: WeChat was an app developed by the company headquartered in what city?
Sentence (from "WeChat"): It is widely known as one of the world's most innovative and versatile app, as well as China's "App For Everything", with numerous unique functions and platforms ranging from 'payment' to 'social media' to 'services' to 'shopping' and more, that are equivalent to multiple Google Play or App Store's apps, but merged into one.
Relevant evidence: No