Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Venue | Score | Result | Competition |
| --- | --- | --- | --- | --- |
| May 28, 2005 | Chicago, Illinois | 1–2 | 1–2 | Friendly match |
| July 7, 2005 | Seattle , Washington | 1–1 | 4–1 | 2005 CONCACAF Gold Cup |
| February 2, 2006 | San Francisco , California | 2–0 | 3–2 | Friendly |
| March 1, 2006 | Kaiserslautern , Germany | 1–0 | 1–0 | Friendly |
| May 26, 2006 | Cleveland, Ohio | 2–0 | 2–0 | Friendly |
| June 22, 2006 | Nuremberg , Germany | 1–1 | 1–2 | 2006 FIFA World Cup |
| June 2, 2007 | San Jose, California | 3–1 | 4–1 | Friendly |
| June 7, 2007 | Carson, California | 1–0 | 1–0 | 2007 CONCACAF Gold Cup |
| September 8, 2007 | Chicago, Illinois | 2–2 | 2–4 | Friendly |
| June 15, 2008 | Carson, California | 1–0 | 8–0 | 2010 FIFA World Cup Qual. |
| June 15, 2008 | Carson, California | 5–0 | 8–0 | 2010 FIFA World Cup Qual. |
| September 6, 2008 | Havana , Cuba | 1–0 | 1–0 | 2010 FIFA World Cup Qual. |
| September 10, 2008 | Bridgeview, Illinois | 2–0 | 3–0 | 2010 FIFA World Cup Qual. |
| June 21, 2009 | Rustenburg , South Africa | 3–0 | 3–0 | 2009 FIFA Confederations Cup |
| June 24, 2009 | Bloemfontein , South Africa | 2–0 | 2–0 | 2009 FIFA Confederations Cup |
| June 28, 2009 | Johannesburg , South Africa | 1–0 | 2–3 | 2009 FIFA Confederations Cup |
| September 5, 2009 | Sandy , Utah | 1–1 | 2–1 | 2010 FIFA World Cup Qual. |
| May 30, 2010 | Philadelphia , Pennsylvania | 2–1 | 2–1 | Friendly |
| June 12, 2010 | Rustenburg , South Africa | 1–1 | 1–1 | 2010 FIFA World Cup |
| June 7, 2011 | Detroit, Michigan | 2–0 | 2–0 | 2011 CONCACAF Gold Cup |
| June 19, 2011 | Washington, D.C. , United States | 2–0 | 2–0 | 2011 CONCACAF Gold Cup |
| June 22, 2011 | Houston, Texas | 1–0 | 1–0 | 2011 CONCACAF Gold Cup |
| October 8, 2011 | Miami, Florida | 1–0 | 1–0 | Friendly |
| November 15, 2011 | Ljubljana , Slovenia | 2–1 | 3–2 | Friendly |
| February 29, 2012 | Genoa , Italy | 1–0 | 1–0 | Friendly |
| June 8, 2012 | Tampa, Florida | 2–0 | 3–1 | 2014 FIFA World Cup Qual. |
| June 12, 2012 | Guatemala City, Guatemala | 1–0 | 1–1 | 2014 FIFA World Cup Qual. |
| September 7, 2012 | Kingston, Jamaica | 1–0 | 1–2 | 2014 FIFA World Cup Qual. |
| October 16, 2012 | Kansas City, Kansas | 2–1 | 3–1 | 2014 FIFA World Cup Qual. |
| October 16, 2012 | Kansas City, Kansas | 3–1 | 3–1 | 2014 FIFA World Cup Qual. |
| February 6, 2013 | San Pedro Sula , Honduras | 1–0 | 1–2 | 2014 FIFA World Cup Qual. |
| March 22, 2013 | Commerce City , Colorado | 1–0 | 1–0 | 2014 FIFA World Cup Qual. |
| May 29, 2013 | Cleveland , Ohio | 2–4 | 2–4 | Friendly |
| June 2, 2013 | Washington D.C. , United States | 3–1 | 4–3 | Friendly |
| June 2, 2013 | Washington D.C. , United States | 4–1 | 4–3 | Friendly |
| September 6, 2013 | San Jose , Costa Rica | 1–2 | 1–3 | 2014 FIFA World Cup Qual. |
Question:
When did a Competition of friendly, and a Score of 2–1, and a Venue of philadelphia , pennsylvania occur?
Answer:
May 30, 2010