KKR & Co.
 L.P. (formerly known as Kohlberg Kravis Roberts & Co.) is an American multinational private equity firm, specializing in leveraged buyouts, headquartered in New York City.
 The firm sponsors and manages private equity investment funds.
 The firm has completed over $400 billion of private equity transactions since its inception.
Hostess CupCake is a brand of snack cake formerly produced and distributed by Hostess Brands and currently owned by private equity firms Apollo Global Management and Metropoulos & Co.
 Its most common form is a chocolate cupcake with chocolate icing and vanilla creme filling, with eight distinctive white squiggles across the top.
 However, other flavors have been available at times.
 It has been claimed to be the first commercially produced cupcake and has become an iconic American brand.
Hostess Cake, simply known as Hostess, is a brand under which snack cakes are sold by Hostess Brands.
 The brand originated in 1919 upon the first sale of the Hostess CupCake.
 Hostess is better-known as the brand under which Twinkies are sold, after making its first appearance in 1930.
 The brand was owned by Continental Baking Company until 1995.
 At that point, Continental Baking was acquired by Interstate Bakeries Corporation.
 IBC became Hostess Brands in 2009 and began liquidating its assets in 2012 following a strike by the BCTGM union.
 The cake business of Hostess Brands was then sold to a "new" Hostess Brands owned by private equity firms Apollo Global Management and C. Dean Metropoulos and Company.
Mekong Capital is a Vietnam-focused private equity firm.
 Operating in Vietnam since 2001, Mekong Capital is one of the first private equity firms to engage Vietnam, and has completed 30 private equity investments in Vietnam through 4 funds with approximately 25 full-time employees.
 Mekong Capital has offices in Ho Chi Minh City, Hanoi.
 Focusing on manufacturing companies until 2005, Mekong Capital shifted its focus towards consumer-driven businesses in 2006.
 Mekong Capital is known as a private equity firm that has invested significant resources in the development of its corporate culture, and in the corporate cultures of its portfolio companies, and is the subject of several case studies.
Apollo Global Management, LLC is an American private equity firm, founded in 1990 by former Drexel Burnham Lambert banker Leon Black.
 The firm specializes in leveraged buyout transactions and purchases of distressed securities involving corporate restructuring, special situations, and industry consolidations.
 Apollo is headquartered in New York City, and also has offices in Purchase, New York, Los Angeles, Houston, London, Frankfurt, Luxembourg, Singapore, Hong Kong and Mumbai.
Apax Partners LLP is a British private equity and venture capital firm, headquartered in London, England.
 The company also operates out of eight other offices in New York, Hong Kong, Mumbai, Tel Aviv, Madrid, Stockholm, Milan and Munich.
 The firm, including its various predecessors, have raised approximately $35 billion (USD) dating back to 1969.
 Apax Partners is one of the oldest and largest private equity firms operating on an international basis, ranked the seventh largest private equity firm globally.
Lincolnshire Management is a private equity firm focused on investments and acquisitions in middle-market companies across a range of industries.
 In 2010, Private Equity News ranked Lincolnshire as a top ten performing private equity firm.
 Additionally, In 2011, CNN Money /Fortune Magazine ranked Lincolnshire Management as the 5th ranked private equity firm.
Rede Partners is an independent private equity fundraising advisory firm focused on primary fundraising, secondaries, strategic advisory projects and investor relations advisory.
 The firm is based in London with a team of 21 professionals.
 Rede Partners was founded in 2011 by Scott Church and Adam Turtle.
 Scott's career began at Merrill Lynch where he remained for sixteen years, ending it as a Managing Director within the private equity group (placement).
 He moved to Lazard where he was a Managing Director in the private funds group.
 Adam's, previously a Director within the investor relations group at private equity firm Actis, began his career with Credit Suisse's private fund placement group.
Thomas H. Lee (born March 27, 1944) is an American businessperson, financier and investor and is credited with being one of the early pioneers in private equity and specifically leveraged buyouts. Thomas H. Lee Partners (THL), the firm he founded in 1974, is among the oldest and largest private equity firms globally.
 Lee is currently the managing partner of Lee Equity Partners, a private equity firm he founded in 2006 after leaving Thomas H. Lee Partners.
EnCap Investments is an American private equity firm, specializing in the oil & gas industry.
 The firm was established in 1988 and is based in Houston, Texas.
 According to an updated 2013 ranking created by industry magazine Private Equity International (published by PEI Media called the PEI 300), the firm's rank is #16 with some $11.8 billion under management, based on the amount of private equity direct-investment capital raised over a five-year window.

Question: In which city is the headquarters for the private equity firm that owns Hostess CupCake?
Answer: New York City