select wr_id, wr_subject from g4_write_health_goods_09 where wr_is_comment = 0 and wr_num = '-6' and wr_reply < '' and ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_97C7Cwr_related), LOWER('T7R'))) ) order by wr_num desc, wr_reply desc limit 1
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_97C7Cwr_related' in 'where clause'