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:
| Season | Season premiere | Season finale | TV season | Ranking | Viewers (in millions) |
| --- | --- | --- | --- | --- | --- |
| 1 | December 3, 2003 | August 18, 2004 | 2003–2004 | #41 | 10.63 |
| 2 | September 26, 2004 | May 22, 2005 | 2004–2005 | #15 | 15.75 |
| 3 | August 14, 2005 | May 16, 2006 | 2005–2006 | #19 | 14.71 |
| 4 | September 17, 2006 | May 20, 2007 | 2006–2007 | #25 | 13.15 |
| 5 | September 30, 2007 | May 18, 2008 | 2007–2008 | #22 | 12.89 |
| 6 | September 28, 2008 | May 17, 2009 | 2008–2009 | #38 | 10.26 |
| 7 | September 27, 2009 | May 16, 2010 | 2009–2010 | #39 | 9.11 |
| 8 | September 26, 2010 | May 15, 2011 | 2010–2011 | #50 | 8.53 |
| 9 | September 25, 2011 | January 13, 2012 | 2011–2012 | #101 | 5.83 |
| 11 Specials | November 27, 2012 | December 17, 2012 | 2012–2013 | #83 | 5.39 |
Question:
What was the ranking of the season whose finale aired on May 15, 2011?
Answer:
#50