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:
| Date | Visiting team | Home team | Stadium | Regular season / Preseason |
| --- | --- | --- | --- | --- |
| September 8, 2002 | Dallas Cowboys 10 | Houston Texans 19 | Reliant Stadium | Regular season game. |
| August 15, 2003 | Houston Texans 6 | Dallas Cowboys 34 | Texas Stadium | Preseason game. |
| August 14, 2004 | Dallas Cowboys 0 | Houston Texans 18 | Reliant Stadium | Preseason game. |
| August 15, 2005 | Houston Texans 9 | Dallas Cowboys 21 | Texas Stadium | Preseason game. |
| October 15, 2006 | Houston Texans 6 | Dallas Cowboys 34 | Texas Stadium | Regular season game. |
| August 25, 2007 | Dallas Cowboys 16 | Houston Texans 28 | Reliant Stadium | Preseason game. |
| August 22, 2008 | Houston Texans 22 | Dallas Cowboys 23 | Texas Stadium | Preseason game. |
| August 28, 2010 | Dallas Cowboys 7 | Houston Texans 23 | Reliant Stadium | Preseason game. |
| September 26, 2010 | Dallas Cowboys 27 | Houston Texans 13 | Reliant Stadium | Regular season game. |
| August 29, 2013 | Houston Texans 24 | Dallas Cowboys 6 | AT&T Stadium | Preseason game. |
Question:
In what stadium was the home team Dallas Cowboys 21?
Answer:
Texas Stadium