In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Q: The Withlacoochee River (or Crooked River) originates in central Florida's Green Swamp, east of Polk City. It flows west, then north, and then turns northwest and finally west again before it empties into the Gulf of Mexico near Yankeetown. The river is 141 miles (227 km) long and has a drainage basin of 1,170 square miles (3,000 km). It is believed to have been named after the Withlacoochee River to the north.
A: 
where does the withlacoochee river begin and end