某同学在开展历史研究性学习过程中收集到右边的图表，它不适合于研究

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18542' and id < 1585639 and id<>'1585639' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='18542' and id > 1585639 and id<>'1585639' order by id asc limit 5