Database: museum_visit_minus_1_0
Question: What is the name of the visitor who visited both a museum opened before 2009 and a museum opened after 2011?
SQL: select t1.name from visitor_visit as t1 join museum as t2 on t1.museum_id = t2.museum_id where t2.open_year < 2009 intersect select t1.name from visitor_visit as t1 join museum as t2 on t1.museum_id = t2.museum_id where t2.open_year > 2011