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 | 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 |
| Australian Open | A | A | LQ | 1R | 2R | QF | SF | 2R |
| French Open | A | A | 4R | A | 1R | 4R | SF | 3R |
| Wimbledon | A | A | 1R | 1R | SF | W | QF | QF |
| US Open | A | LQ | 1R | 4R | 3R | 1R | 4R | 3R |
| Win–Loss | 0–0 | 0–0 | 3–3 | 3–3 | 8–4 | 14–3 | 17–4 | 9–4 |
Question:
What is the 2011 when the 2007 is a, and the 2012 is sf?
Answer:
QF, 4R