select distinct wr_parent from g4_write_health_goods_09 where ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_related), LOWER('%EC%82%AC%EC%9B%90%EB%B3%B5%EC%A7%80'))) ) and (wr_num between '-48' and '9952')
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_related' in 'where clause'