Question: The 1939 New York World's Fair was exceedd in expanse only by another fair which was held in St. Louis , Missouri during what dates?
Sentence (from "Louisiana Purchase Exposition"): The Louisiana Purchase Exposition, informally known as the St. Louis World's Fair, was an international exposition held in St. Louis, Missouri, United States, from April 30 to December 1, 1904.
Relevant evidence: Yes