[['institution', 'location', 'team nickname', 'tenure', 'new conference', 'new classification'], ['arizona state university', 'tempe , arizona', 'sun devils', '1982 - 2009', 'slc', 'mcla division i'], ['biola university', 'la mirada , california', 'eagles', '2001 - 2009', 'slc', 'mcla division ii'], ['california lutheran university', 'thousand oaks , california', 'kingsmen', '2005 - 2009', 'slc', 'mcla division ii'], ['california state university , fullerton', 'fullerton , california', 'titans', '2006 - 2009', 'slc', 'mcla division ii'], ['california state university , hayward', 'hayward , california', 'pioneers', '1997 - 2004', 'ceased operations in 2004', 'n / a'], ['california state university , sacramento', 'sacramento , california', 'hornets', '1986 - 1998', 'ceased operations in 1998', 'n / a'], ['california state university , san marcos', 'san marcos , california', 'cougars', 'unknown - 2002', 'n / a', 'n / a'], ['chapman university', 'orange , california', 'panthers', '1988 - 2009', 'slc', 'mcla division i'], ['claremont mckenna college', 'claremont , california', 'cougars', '1980 - 2009', 'slc', 'mcla division i'], ['loyola marymount university', 'los angeles , california', 'lions', '1985 - 2009', 'slc', 'mcla division i'], ['northern arizona university', 'flagstaff , arizona', 'lumberjacks', '1982 - unknown', 'n / a', 'n / a'], ['pepperdine university', 'malibu , california', 'waves', 'unknown - 2009', 'slc', 'mcla division ii'], ['occidental college', 'los angeles , california', 'tigers', '2006 - 2009', 'slc', 'mcla division ii'], ['san diego state university', 'san diego , california', 'aztecs', '1980 - 2009', 'slc', 'mcla division i'], ['university of arizona', 'tucson , arizona', 'wildcats', '1982 - 2009', 'slc', 'mcla division i'], ['university of california , irvine', 'irvine , california', 'anteaters', '1988 - 2009', 'slc', 'mcla division ii'], ['university of california , los angeles', 'los angeles , california', 'bruins', '1980 - 2009', 'slc', 'mcla division i'], ['university of california , san diego', 'san diego , california', 'tritons', 'unknown - 2009', 'slc', 'mcla division i'], ['university of california , santa barbara', 'santa barbara , california', 'gauchos', '1980 - 2009', 'slc', 'mcla division i'], ['university of nevada , las vegas', 'las vegas , nevada', 'rebels', '2005 - 2009', 'slc', 'mcla division i'], ['university of san diego', 'san diego , california', 'toreros', 'unknown - 2009', 'slc', 'mcla division i'], ['university of southern california', 'los angeles , california', 'trojans', '1980 - 2009', 'slc', 'mcla division i']]
the Lumberjack are the only team whose Tenure ended in an Unknown year
the [ENT] are the only team whose [ENT] ended in an [ENT] year