Question: In what year was the company that owns the IWGP Tag Team Championship founded?
Sentence (from "New Japan Pro-Wrestling"): New Japan Pro-Wrestling Co., Ltd. (新日本プロレス株式会社 , Shin Nihon Puroresu Kabushiki-kaisha ) , operating as New Japan Pro-Wrestling (新日本プロレス , Shin Nihon Puroresu ) and sometimes referred to as NJPW or simply New Japan, is a Japanese puroresu (professional wrestling) promotion founded in January 1972 by Antonio Inoki.
Relevant evidence: Yes