Question: When was the  Filipino professional boxer died who fought against Japanese boxer Terou Kosaka on August 4, 1962?

Context paragraphs:
Mercito Gesta: Mercito Moya Gesta (pronounced hes-ta) is a Filipino professional boxer.  He is the former WBO NABO Youth lightweight champion.  He won the title by defeating Mexican boxer Oscar Meza on June 4, 2010.

Marvin Sonsona: Marvin Doecadez Sonsona (born July 25, 1990) is a Filipino professional boxer and former WBO super flyweight champion.  A relative of his named Eden Sonsona is also a boxer and a former Philippine national bantamweight champion.  One of Sonsona's trainers is Nonito Donaire Sr., father and trainer of Nonito Donaire.

Mark Magsayo: Jessel Mark Araula Magsayo (born May 25, 1995) is a Filipino professional boxer he has perviously held the IBF Youth Featherweight title and the current WBO International Featherweight Champion.  Magsayo is considered a future Filipino boxing superstar by ALA boxing promotions and some Filipino boxing analysts due to his speed and aggressive style of fighting.

Dai St. John: David Jones (1 April 1871 – 23 November 1899) who fought under the name Dai St. John was a Welsh heavyweight boxer.  In a time before regulated championship titles, St. John used the press to proclaim himself as heavyweight champion of Wales after beating John O'Brien, a fighter he spent his early career building a rivalry against.  Despite a high-profile defeat to O'Brien in 1894, St. John continued to fight, but a disastrous contest in which as a cornerman a boxer died at an unsanctioned match saw his career put in jeopardy.  A successful period as a sparring partner for Australian champion Peter Jackson revived his career.  After joining the British Army, he was posted to South Africa where he fought in the Second Boer World and died in heroic circumstances at the Battle of Belmont.

Jonathan Taconing: Jonathan Inguito Taconing (born 12 January 1987) is a Filipino boxer.  He is the reigning light flyweight champion of the Oriental and Pacific Boxing Federation, and the former International light flyweight champion of the World Boxing Council.  He and Mark Magsayo were named the Most Promising Boxers of the Year at the 2016 Elorde Boxing Awards.  Taconing is trained by former Filipino professional boxer Eddie Ballaran and under the management of Johnny Elorde.

Donnie Nietes: Donnie Liboon Nietes (born May 12, 1982) is a Filipino professional boxer and current IBF flyweight champion.  He is a four-time world champion in three weight classes, having previously held the WBO and "The Ring" magazine light flyweight titles; and the WBO minimumweight title.  He is the longest-reigning Filipino boxing world champion for 10 years and 8 months and counting, surpassing in 2014 the record set by Boxing Hall of Fame Gabriel "Flash" Elorde in 1967.  He is currently ranked second by The Ring, also ranked second by the Transnational Boxing Rankings Board, and ranked first by BoxRec.

Hozumi Hasegawa: Hozumi Hasegawa (長谷川 穂積 , Hasegawa Hozumi , born 16 December 1980) is a Japanese former professional boxer who competed from 1999 to 2016.  He is the fourth Japanese boxer to win world titles in three weight classes, having held the WBC bantamweight title from 2005 to 2010; the WBC featherweight title from 2010 to 2011; and the WBC super bantamweight title in 2016.  Hasegawa received MVP awards from the Japan Boxing Commission in 2005, 2006, 2008, and 2009 for his title defenses, and is the first Japanese boxer to have defended a bantamweight world title more four times.

Cebu Coliseum: The Cebu Coliseum is an indoor arena in Cebu City, Philippines.  Its seating capacity is around 5,000.  The coliseum hosts various sports events and concerts in Cebu and is the primary venue for CESAFI games.  It was also the home of the Cebu Gems of the defunct MBA.  On August 4, 1962, one of the very first events it hosted was a fight between hometown hero Gabriel "Flash" Elorde and Japanese boxer Terou Kosaka.  It was their second of their four fights in a span of 4 years (1961-1965).  And also become a selected games in the Philippine Basketball Association (PBA) since 1975 and also host of the 1982 PBA All-Star Series, 1998 PBA All-Star Weekend and 2004 PBA All-Star Weekend.

Gabriel Elorde: Gabriel "Flash" Elorde (March 25, 1935 – January 2, 1985) was a Filipino professional boxer.  He was born and raised in the town of Bogo, Cebu, Philippines (since a city) in 1935.

Drian Francisco: Drian Francisco (born November 10, 1982 in Sablayan, Occidental Mindoro, Philippines), nicknamed Gintong Kamao (Golden Fist), is a Filipino professional boxer.  Born in the province of Mindoro, Francisco currently resides in Agoncillo, Batangas.  His younger brother Lloyd Francisco, like him, is also a professional boxer.

Supporting paragraphs: Cebu Coliseum Gabriel Elorde
Answer: January 2, 1985