Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| school | location | mascot | enrollment | ihsaa class | county | year joined | previous conference |
| bloomfield | bloomfield | cardinals | 358 | aa | 28 greene | 1939 | independents |
| clay city | clay city | eels | 278 | a | 11 clay | 1992 | tri - river |
| eastern greene | bloomfield | thunderbirds | 440 | aa | 28 greene | 1962 | none (new school) |
| linton stockton | linton | miners | 404 | aa | 28 greene | 1980 | independents |
| north central (farmersburg) | farmersburg | thunderbirds | 525 | a | 77 sullivan | 2010 | tri - river |
| north daviess | elnora | cougars | 321 | a | 14 daviess | 1986 | blue chip conference |
| shakamak | jasonville | lakers | 256 | a | 28 greene | 1968 | tri - river |
| union (dugger) | dugger | bulldogs | 127 | a | 77 sullivan | 1974 | tri - river |
| white river valley | switz city | wolverines | 273 | a | 28 greene | 1990 | none (new school) |
Title:
southwestern indiana conference
Statement:
three of the schools in the southwestern indiana conference have the ihsaa class aa
Answer:
supported