Question: The Girassol oil field was first discovered by which multinational oil and gas company?
Sentence (from "South Belridge Oil Field"): Discovered in 1911, and having a cumulative production of over 1500 Moilbbl of oil at the end of 2008, it is the fourth-largest oil field in California, after the Midway-Sunset Oil Field, Kern River Oil Field, and Wilmington Oil Field, and is the sixth-most productive field in the United States.
Relevant evidence: No