Table:
text: Full Tilt Online Poker Series
FTOPS Main Event winners
FTOPS Main Event winners
Series Date_ Entrants Winner First_Prize
FTOPS XII May 2009 4581 Pocketownage420 $432,400
FTOPS XIII August 2009 5306 Poligraph (Matthew Waxman) $453,663
FTOPS XIV November 2009 5471 zhivago2 (Heinz Kamutzki) $418,839
FTOPS XV February 2010 5645 JackQKA $237,644 (7-way deal)
FTOPS XVI May 2010 4534 Kirbynator $327,057.40 (3-way deal)
FTOPS XVII August 2010 4805 TyboVegas $423,057.41 (2-way deal)
FTOPS XVIII November 2010 5023 JHoWn $411,932.13 (3-way deal)
FTOPS XIX February 2011 14479 GIAMPP $877,949.74 (3-way deal)
FTOPS XX May 2011 4666 ArielBahia (Ariel Celestino) $346,696 (4-way deal)
FTOPS XXI December 2012 4766 yadio1111 (Yann Dion) $453,229.40 (2-way deal)
FTOPS XXII March 2013 3653 feel fine $392,332.20
FTOPS XXIII August 2013 3327 Itahaschi $270,828.43 (3-way deal)

Question: Who Won the May 2011 Full Tilt Online Poker Series?