Question: Q: What company, located on Park Avenue in Midtown Manhattan, New York City, markets Ultra Brite toothpaste and tooth-whitener? 
Sentence (from "Q64, QM4 and QM44 buses"): The QM44 route is an express bus route running from Midtown Manhattan to Electchester running via Third Avenue in Manhattan and Jewel Avenue in Queens.
Relevant evidence: No