Count Data Codeigniter

public function count(){
    $query = $this->db->query("SELECT email1 FROM tbl_konntak WHERE lokasi_propinsi=34");
    echo $query->num_rows();
    echo "<hr>;
    $this->db->select('email1');
    $this->db->where('lokasi_propinsi', 34);
    $this->db->where('email1 !=', '');
    $q = $this->db->get('tbl_konntak');
    echo $q->num_rows();
}