Question: What country serves as the northern boarder to the country in which Monnechroma tibialis inhibits?
Sentence (from "Costa Rica"): It has a population of around /1e6 round 1 million, in a land area of 51,060 square kilometers (19,714 square miles); over 300,000 live in the capital and largest city, San José with a population of an estimated 333,980 in 2015.
Relevant evidence: No