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 (ihsaa id) | location | mascot | county | year joined | year left | conference joined |
| delphi | delphi | oracles | 08 carroll | 1954 | 1956 | hoosier |
| knox | knox | redskins | 75 starke | 1954 | 1963 | independents |
| morocco | morocco | beavers | 56 newton | 1954 | 1958 | independents |
| north judson | north judson | blue jays | 75 starke | 1954 | 1963 | independents |
| rensselaer central | rensselaer | bombers | 37 jasper | 1954 | 1958 | independents |
| bremen | bremen | lions | 50 marshall | 1958 | 1962 | independents |
| jimtown | elkhart | jimmies | 20 elkhart | 1958 | 1963 | independents |
| washington - clay | south bend | colonials | 71 st joseph | 1958 | 1963 | independents |
Title:
northern state conference (ihsaa)
Statement:
3 schools were in a conference for only 4 years
Answer:
supported