select distinct wr_parent from g4_write_health_goods_02 where ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_77C7Cwr_related), LOWER('%EC%BD%94%EB%B2%A0/%ED%95%9C%EA%B5%AD'))) ) and (wr_num between '-61' and '9939')
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_77C7Cwr_related' in 'where clause'