根据本文，使淮扬菜立足于北京的关键人物是：

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29365' and id < 2391771 and id<>'2391771' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29365' and id > 2391771 and id<>'2391771' order by id asc limit 5