Table:
text: 2011 Australian Open
Men's Singles
Men's Singles
Sd Rk Player Points Points_defending Points_won New_points Status_
16 16 Mardy Fish 1921 10 45 1956 Second round lost to Tommy Robredo
17 17 Ivan Ljubičić 1965 90 90 1965 Third round lost to Nicolás Almagro
18 18 Sam Querrey 1860 10 10 1860 First round lost to Łukasz Kubot
19 19 Stanislas Wawrinka 1855 90 360 2125 Quarterfinals lost to Roger Federer
20 20 John Isner 1645 180 90 1555 Third round lost to Marin Čilić
21 21 Marcos Baghdatis 1580 90 90 1580 Third round lost to Jürgen Melzer
22 22 Michaël Llodra 1575 45 45 1575 Second round lost to Milos Raonic
23 23 Nikolay Davydenko 1555 360 10 1205 First round lost to Florian Mayer

Question: How many times has Stanislas Wawrinka been listed in Australian Open 2011 men's singles?