Question: When did the venture capital firm where Emmett Shear is a part-time partner start?

Context paragraphs:
Y Combinator (company): Y Combinator is an American seed accelerator, started in March 2005.  In 2017 "Forbes" ranked YC one of two "Platinum Plus Tier U.S. Accelerators". " Fast Company" has called YC "the world's most powerful start-up incubator". " Fortune" has called Y Combinator "a spawning ground for emerging tech giants".

Bala Deshpande: Bala Deshpande is the Senior Managing Director of the venture capital firm, New Enterprise Associates (India) since 2008.  NEA is the world’s largest venture capital firm with over USD 13 billion in committed capital.  NEA started direct investments in India during the downturn in 2008 and has since built a portfolio of 14 companies.

Kleiner Perkins Caufield &amp; Byers: Kleiner Perkins Caufield & Byers (KPCB) is an American venture capital firm headquartered on Sand Hill Road in Menlo Park in Silicon Valley.  Specializing in investments in incubation, early stage and growth companies, since its founding in 1972 the firm has backed entrepreneurs in over 850 ventures, including America Online, Amazon.com, Compaq, Electronic Arts, Flexus, JD.com, Square, Genentech, Google, Netscape, Sun Microsystems, Nest, Snap, AppDynamics, and Twitter.  Kleiner Perkins focuses its global investments in practice areas including technology and life sciences. " The Wall Street Journal" and other publications have called it one of the "largest and most established" venture capital firms and "Dealbook" named it "one of Silicon Valley’s top venture capital providers."  In addition to its Menlo Park headquarters, the company has offices in San Francisco and Shanghai, China.

Francesco De Rubertis: Francesco De Rubertis (born January 23, 1970) is a partner at medicxi, a venture capital firm with offices in London, Jersey and Geneva, having co-founded the firm in February 2016.  Prior to that he was a partner at another venture capital firm, Index Ventures, having led the firm’s efforts to establish its life sciences practice after joining in 1997.

Kevin Johnson (venture capitalist): Kevin Johnson (born in Holyhead, Wales on 30 August 1960) is a managing partner at Medicxi Ventures, a venture capital firm focused on life sciences investments based on the asset-centric approach to investing.  He was formerly with Index Ventures, having joined the venture capital firm in 2010.

Emmett Shear: Emmett Shear (born 1983) is an Internet entrepreneur and investor.  He is the co-founder of live video platforms Justin.tv and TwitchTV.  He's also a part-time partner at venture capital firm Y Combinator.  Shear is also co-founder of Kiko Software, the first AJAX-based online calendar.  Shear graduated from Yale University in 2005 with a degree in computer science.

Mangrove Capital Partners: Mangrove Capital Partners is a venture capital firm based in Europe which is focused on investing in early stage information technology companies.  It aims at being the first institutional investor and supports its best companies through successive rounds of financing.  The firm is considered to be one of the top venture capital (VC) firms investing in early stage tech startups across Europe and has been active in Israel and Russia since 2007.  It is best known for making early investments in Skype and Wix.com - which became the largest-ever IPO for an Israeli firm when it floated on Nasdaq in 2013.  It is also one of the most active venture capital firms in Berlin.

David Grainger: David Grainger is a partner at medicxi, a European life sciences-oriented venture capital firm.  He was formerly with Index Ventures, an international venture capital firm with offices in London, Geneva and San Francisco, in the firm’s life sciences practice.  He also writes for Forbes.com on topics related to the pharmaceutical industry.

Ff Venture Capital: ff Venture Capital is a venture capital firm that specializes in providing seed-stage and early-stage funding to technology companies.  Headquartered in New York City, ff Venture Capital was founded by John Frankel and Alex Katz in 2008, who are general partners at the firm.  The firm's other general partners include David Teten, Michael Faber, and Adam Plotkin.

Toba Capital: Toba Capital is a venture capital firm based in Newport Beach, California.  It was founded in late 2012 by Vinny Smith, former CEO of Quest Software.  The company invests in software and technology services companies.  It is the largest venture capital firm in Orange County.

Supporting paragraphs: Emmett Shear Y Combinator (company)
Answer: March 2005