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:
| Institution | Location | Founded | Type | Enrollment | Joined | Nickname | Primary Conference when joining the CSFL |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Bacone College | Muskogee, Oklahoma | 1880.0 | Private | 900.0 | 2002-03 | Warriors | Red River (RRAC) |
| Langston University | Langston, Oklahoma | 1897.0 | Public, HBCU | 3922.0 | 2000-01 2007-08 1 | Lions | Red River (RRAC) |
| Oklahoma Baptist University | Shawnee, Oklahoma | 1910.0 | Private | 1871.0 | 2013-14 | Bison | Sooner (SAC) |
| Oklahoma Panhandle State University * | Goodwell, Oklahoma | 1909.0 | Public | 1550.0 | 2007-08 | Aggies | Heartland (NCAA Division II) |
| Southwestern Assemblies of God University | Waxahachie, Texas | 1927.0 | Private | 2013.0 | 2000-01 2003-04 2008-09 2 | Lions | Red River (RRAC) |
| Texas College | Tyler, Texas | 1894.0 | Private, HBCU | 600.0 | 2004-05 | Steers | Red River (RRAC) |
Question:
what was the primary conference when joining the csfl for the institution that joined in 2004-05? 
Answer:
Red River (RRAC)