Select count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '52000' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51900' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51800' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51700' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51600' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51500' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51400' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51300' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51200' and c_category='공지사항' order by c_regist descSelect count(c_no) as comment from Gn_Board_Comm_bbs21 where c_bno = '51100' and c_category='공지사항' order by c_regist desc