设有三个关系：（这三个表关系模式使用于下面7-14题）S（s#，sname，age，sex，bplace，department)SC（s#，c#，grade）C（c#，cname，teacher）检索刘老师所授课程的课程号和课程名。

SELECT c#,cnameteacher FROM C WHERE teacher like '刘%'

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