select distinct wr_parent from g4_write_health_goods_09 where ((INSTR(LOWER(wr_subject7C7Cwr_content7C7Cwr_related), LOWER('%EA%B1%B4%EA%B0%95%EC%A6%9D%EC%A7%84'))) ) and (wr_num between '-48' and '9952')
1054 : Unknown column 'wr_subject7C7Cwr_content7C7Cwr_related' in 'where clause'