SELECT COUNT(*) FROM product AS a1 WHERE a1.status='Y' AND a1.model_status='Y' AND a1.picture_status='Y' AND ( a1.model_category1_pk='12' OR a1.model_category2_pk='12' OR a1.model_category3_pk='12' ) AND a1.model_pk='29' AND a1.picture_pk='26316'