Read this: W 122nd Street runs six blocks (3,280 feet (1,000 m)) west from the intersection of Mount Morris Park West at Marcus Garvey Memorial Park and terminates at the intersection of Morningside Avenue at Morningside Park. This segment runs in the Mount Morris Historical District and crosses portions of Lenox Avenue (Sixth Avenue), Seventh Avenue, Frederick Douglass Boulevard (Eighth Avenue), and Manhattan Avenue.

At which park does W 122nd Street end?
What is the answer? (If it cannot be answered, return "unanswerable")
Morningside Park