Question: Ernakulam is a district of Kerala, India situated in the central part of that state, its headquarters is located at Kakkanad, a suburb of Kochi, also known as Cochin, is a major port city on the south-west coast of India, by which location?
Sentence (from "Ernakulam district"): Ernakulam district is the highest revenue yielding district in the state.
Relevant evidence: No