Question: When did the resort where UFC Fight Night: Namajunas vs. VanZant was held open?
Sentence (from "UFC Fight Night: Gustafsson vs. Manuwa"): UFC Fight Night: Gustafsson vs. Manuwa (also known as UFC Fight Night 37) was a mixed martial arts event held on March 8, 2014, at The O2 Arena in London, England.
Relevant evidence: No