Table:
text: List of special elections to the United States House of Representatives in New York
List
21th-present
District Con_gress Date_ Predecessor Winner
New York 23rd 111th November 3, 2009 John McHugh ( R ) Bill Owens ( D )
New York 29th 111th 2010 Eric Massa ( D ) Tom Reed ( R )
New York 26th 112th 2011 Chris Lee ( R ) Kathy Hochul ( D )

Question: What convention was held in New York in 2010 for the 21st list of special elections to the United States House of Representatives?