已知字母“n”的ASCII码是6EH，则字母的“r”的ASCII码是（）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id < 4497657 and id<>'4497657' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69451' and id > 4497657 and id<>'4497657' order by id asc limit 5