Read this and answer the question. If the question is unanswerable, say "unanswerable".

112th Street starts in Morningside Heights and runs from Riverside Drive to Amsterdam Avenue, where it meets the steps of the Cathedral of Saint John the Divine. The street resumes at the eastern edge of Morningside Park and extends through Harlem before ending at First Avenue adjacent Thomas Jefferson Park in East Harlem. Notable locations include:

Which street runs from Riverside Drive to Amsterdam Avenue?
112th Street