select distinct wr_parent from g4_write_health_goods_12 where ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_related), LOWER('%ED%81%B4%EB%9F%BD%EC%8A%A4%ED%85%9D%ED%8D%BC'))) ) and (wr_num between '-16' and '9984')
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_related' in 'where clause'