title: Manzanares (river)
context: The Manzanares (Spanish pronunciation:[manθaˈnaɾes]) is a river in central Spain, which flows from the Sierra de Guadarrama, passes through Madrid, and eventually empties into the Jarama river, which in turn is a tributary to the Tagus.
question: What river passes through Madrid?
answers.text: Manzanares Manzanares