select distinct wr_parent from g4_write_health_goods_02 where ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_related), LOWER('%EC%9C%A0%EC%82%B0%EC%86%8C%EC%9A%B4%EB%8F%99'))) ) and (wr_num between '-61' and '9939')
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_related' in 'where clause'