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:
| Tournament | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments |
| Australian Open | A | 3R | 1R | QF | 1R | 1R | 2R | 2R | 2R | 2R | 1R | F | W |
| French Open | QF | QF | 1R | SF | 1R | 3R | 1R | 1R | 1R | 2R | 3R | W | F |
| Wimbledon | A | 3R | 1R | 3R | 1R | A | 1R | A | 1R | 3R | 3R | QF | 3R |
| US Open | SF | 1R | A | 1R | 3R | 2R | 1R | A | 1R | 1R | QF | W | QF |
Question:
What tournament has a 2003 of a?
Answer:
US Open