Question: Which team did Mark Robert Kirton play for that, according to "Forbes," had an estimated worth of US $1.1 billion in 2016?

Context articles: Mark Kirton
Mohammed Dewji
Toronto Maple Leafs
Albert Gubay
S&amp;P 600
Björgólfur Guðmundsson
Eduardo Cojuangco Jr.
Brian Sheth
Ivan Chrenko
Black billionaires

Mark Robert Kirton (born February 3, 1958 in Regina, Saskatchewan) is a retired professional ice hockey player who played 266 games in the National Hockey League.
 He played for the Toronto Maple Leafs, Detroit Red Wings, and Vancouver Canucks.
 He currently works as a realtor in Oakville, Ontario.
Mohammed "Mo" Gulamabbas Dewji (born 8 May 1975) is a Tanzanian businessman,philanthropist, and former politician.
 He is the president and CEO of MeTL Group, a Tanzanian conglomerate founded by his father in the 1970s.
 Dewji served as Member of Parliament from 2005 – 2015 for his home town of Singida.
 In March 2015 "Forbes" magazine named him as the 21st richest person in Africa, with his net worth an estimated US $1.1 billion, having also been the first billionaire in Tanzanian "Forbes" Magazine in 2013.
The Toronto Maple Leafs (officially the Toronto Maple Leaf Hockey Club) are a professional ice hockey team based in Toronto, Ontario.
 They are members of the Atlantic Division of the Eastern Conference of the National Hockey League (NHL).
 The club is owned by Maple Leaf Sports & Entertainment, Ltd. and are represented by Chairman Larry Tanenbaum.
 With an estimated worth of US $1.1 billion in 2016 according to "Forbes", the Leafs are the third most valuable franchise in the NHL, after the Montreal Canadiens and the New York Rangers.
 The team's broadcasting rights are split between BCE Inc. and Rogers Communication.
 For their first 14 seasons, the club played their home games at the Mutual Street Arena, before moving to Maple Leaf Gardens in 1931.
 The club moved to their present home, the Air Canada Centre in February 1999.
Albert Gubay, KC*SG (9 April 1928 – 5 January 2016) was a Welsh businessman and philanthropist, who made his fortune with the Kwik Save retail chain, building it further on investments, mainly in property development.
 According to "Forbes", in 2006 Gubay had an estimated fortune of approximately GBP500 million (US$1.1 billion), making him the 698th richest person in the world.
The S&P SmallCap 600 Index, more commonly known as the S&P 600, is a stock market index from Standard & Poor's.
 It covers roughly the small-cap range of US stocks, using a capitalization-weighted index.
 s of 31 2017 , the market capital of companies included in the S&P SmallCap 600 Index ranged from US$ 400 million to US$ 1.8 billion.
 The index's median market cap was almost $1.1 billion and covered roughly three percent of the total US stock market.
 These smallcap stocks cover a narrower range of capitalization than the companies covered by the Russell 2000 Smallcap index which range from $169 million to $4 billion.
 The market valuation for companies in the SmallCap Index and other indices change over times with inflation and the growth of publicly traded companies.
 The S&P 400 MidCap index combined with the SmallCap 600 compose the S&P 1000, and the S&P 1000 plus the S&P 500 comprise the S&P 1500.
 The index was launched on October 28, 1994.
Björgólfur Guðmundsson (born 2 January 1941 in Reykjavík, Iceland) was the chairman and former owner of West Ham United FC.
 Björgólfur was Iceland's second businessman worth more than a billion dollars — his son, Björgólfur Thor Björgólfsson being the first.
 He was at one time the majority owner and chairman of the now nationalised Icelandic bank Landsbanki, the second largest company in Iceland.
 He was ranked by "Forbes" magazine in March 2008 as the 1014th-richest person in the world, with a net worth of $1.1 billion.
 In December of the same year Forbes revalued his net worth to $0 and on 31 July 2009 he was declared bankrupt by the Icelandic courts with debts of almost £500 million (96 billion ISK).
Eduardo "Danding" Murphy Cojuangco Jr. (born June 10, 1935) is the chairman of San Miguel Corporation, the largest food and beverage corporation in the Philippines and Southeast Asia, former Philippine ambassador, and former governor of Tarlac.
 In 2016, his personal wealth was estimated at US$1.1 billion.
 It was estimated that, at one time, his business empire accounted for 25% of the gross national product of the Philippines.
 As of July 2017, his personal wealth was estimated at US$1.16 billion.
 He has been called "one of the country's leading businessmen".
Brian N. Sheth is the co-founder and President of Vista Equity Partners, a private equity fund based in Austin, Texas.
 Sheth was listed in the Forbes 2016 billionaire list with an estimated net worth of $1.1 billion.
 He was also a member of Fortune’s 2015 “40 under 40” list and Forbes’ 40 under 40 in 2015.
Ivan Chrenko (born 1967/68) is a Slovak billionaire businessman, the chairman and majority owner of the Slovak real estate development company HB Reavis.
 In March 2017, with an estimate net worth of US$1.1 billion, Chrenko became the first ever Slovak billionaire, according to "Forbes".
 Prior to Chrenko, Andrej Babiš became the first person of Slovak origin with a net worth above $1 billion, but he later became a citizen of the Czech Republic.
According to Forbes 2014 ranking of the world's billionaires, Nigerian business magnate Aliko Dangote with a net worth of $25 billion is the world's richest black person.
 Others on the list are Nigeria's Mike Adenuga with $4.6 billion, American media mogul Oprah Winfrey with a net worth of $3.9 billion (2015) and South African gold magnate Patrice Motsepe, with $2.9 billion, Nigeria's Folorunsho Alakija with $2.5 billion and Mo Ibrahim, a British billionaire of Sudanese Nubian ancestry, who has been on the "Forbes" Billionaire list since 2008 and in 2012 had a net worth of $1.1 billion.