Question: The New Beginning in Sapporo had a main event won by which New Japan Pro-Wrestling fighter?

Context paragraphs:
The New Beginning in Osaka (2017): The New Beginning in Osaka (2017) was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 11, 2017, in Osaka, Osaka, at Edion Arena Osaka and featured nine matches, five of which were contested for championships.  In the main event, Tetsuya Naito defended the IWGP Intercontinental Championship against Michael Elgin.  This was the twelfth event under the New Beginning name and the fourth under the New Beginning in Osaka name.

The New Beginning in Niigata: The New Beginning in Niigata was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 14, 2016, in Nagaoka, Niigata, at the Aore Nagaoka.  The event featured nine matches, four of which were contested for championships.  In the main event, Hiroshi Tanahashi took on Kenny Omega to determine the new IWGP Intercontinental Champion, following previous champion Shinsuke Nakamura's departure from NJPW.  The New Beginning in Niigata was the tenth event under the New Beginning name and the first to take place in Niigata.

The New Beginning in Hiroshima: The New Beginning in Hiroshima was a professional wrestling pay-per-view (PPV) promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 9, 2014, in Hiroshima, Hiroshima at the Hiroshima Sun Plaza Hall.  The event featured ten matches, three of which were contested for championships.  It was the fifth event under the New Beginning name.

The New Beginning in Sapporo: The New Beginning in Sapporo was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 5, 2017, in Sapporo, Hokkaido, at the Hokkaido Prefectural Sports Center.  The event featured nine matches, four of which were contested for championships.  In the main event, Kazuchika Okada successfully defended the IWGP Heavyweight Championship against Minoru Suzuki.  This was the eleventh event under the New Beginning name and the first to take place in Sapporo.

Kazuchika Okada: Kazuchika Okada (岡田 和睦 , Okada Kazuchika , ring name: オカダ・カズチカ) (born November 8, 1987) is a Japanese professional wrestler currently signed to New Japan Pro-Wrestling (NJPW), where he is in his fourth reign as the IWGP Heavyweight Champion.

The New Beginning in Osaka (2016): The New Beginning in Osaka (2016) was a professional wrestling pay-per-view (PPV) event promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 11, 2016, in Osaka, Osaka, at the Edion Arena Osaka.  The event featured nine matches, four of which were contested for championships.  In the main event, Kazuchika Okada defended the IWGP Heavyweight Championship against Hirooki Goto.  In addition to airing worldwide through NJPW's internet streaming site, NJPW World, the event also aired in Japan as a PPV through SKY PerfecTV! .  The New Beginning in Osaka was the ninth event under the New Beginning name and the third under the New Beginning in Osaka name.

The New Beginning in Osaka (2015): The New Beginning in Osaka (2015) was a professional wrestling pay-per-view (PPV) promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 11, 2015, in Osaka, Osaka at the Bodymaker Colosseum and featured ten matches, four of which were contested for championships.  In addition to airing worldwide through NJPW's internet streaming site, NJPW World, the event also aired in Japan as a regular PPV through TV Asahi.  It was the seventh event under the New Beginning name and the second under the New Beginning in Osaka name.

The New Beginning in Sendai: The New Beginning in Sendai was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 14, 2015, in Sendai, Miyagi at the Sendai Sun Plaza Hall and featured ten matches, four of which were contested for championships.  The event aired worldwide through NJPW's new internet streaming site, NJPW World, and was the eighth event under the New Beginning name.

The New Beginning in Osaka (2014): The New Beginning in Osaka (2014) was a professional wrestling pay-per-view (PPV) promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 11, 2014, in Osaka, Osaka at the Bodymaker Colosseum.  The event featured ten matches, four of which were contested for championships.  It was the sixth event under the New Beginning name.

The New Beginning (2012): The New Beginning (2012) was a professional wrestling pay-per-view (PPV) promoted by New Japan Pro-Wrestling (NJPW).  The event took place on February 12, 2012, in Osaka, Osaka, at the Osaka Prefectural Gymnasium.  The event featured eight matches, four of which were contested for championships.  The event was the first major event held by NJPW after the promotion had been sold to Bushiroad.  It was the third event under the New Beginning name.

Supporting paragraphs: The New Beginning in Sapporo Kazuchika Okada
Answer: Kazuchika Okada