$record=get_record_sql('SELECT i.name, i.defaultquota FROM {institution} i JOIN {auth_instance} ai ON (i.name = ai.institution) WHERE ai.id = ?',$instid);
$record=get_record_sql('SELECT i.name, i.defaultquota FROM {institution} i JOIN {auth_instance} ai ON (i.name = ai.institution) WHERE ai.id = ?',array($instid));