This value is also in the config table of your database as _MD_AM_STARTPAGE
$sql = 'SELECT `(db prefix)_users` . `uid` , `(db prefix)_users` . `uname` , `(db prefix)_xoopspoll_log` . `option_id` '
. ' FROM `(db prefix)_users` , `(db prefix)_xoopspoll_log` '
. ' WHERE ( ( `(db prefix)_xoopspoll_log` . `poll_id` = (## of poll in question) ) AND ( `(db prefix)_users` . `uid` = `(db prefix)_xoopspoll_log` . `user_id` ) ) '
. ' LIMIT 0, 30 ';