select distinct wr_parent from g4_write_health_goods_18 where ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_related), LOWER('%EB%A9%80%ED%8B%B0%EC%BD%A4%EB%B9%84%EB%84%A4%EC%9D%B4%EC%85%98'))) ) and (wr_num between '-19' and '9981')
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_related' in 'where clause'