UPDATE persons SET phase = null WHERE id_person = 'person154';
UPDATE persons SET phase = null WHERE id_person = 'person191';
UPDATE persons SET phase = null WHERE id_person = 'person263';
UPDATE persons SET phase = null WHERE id_person = 'person280';
UPDATE persons SET phase = null WHERE id_person = 'person51';
UPDATE persons SET phase = null WHERE id_person = 'person92';
UPDATE persons SET phase = null WHERE id_person = 'person201';
UPDATE persons SET phase = null WHERE id_person = 'person298';
UPDATE persons SET phase = null WHERE id_person = 'person324';
UPDATE persons SET phase = null WHERE id_person = 'person415';
UPDATE persons SET phase = null WHERE id_person = 'person79';
