What is the name of the staff that is in charge of the attraction named "US museum"?
create table tourist_attractions (tourist_attraction_id varchar, name varchar, PRIMARY KEY (tourist_attraction_id)); create table staff (name varchar, tourist_attraction_id varchar, PRIMARY KEY (name))
select t1.name from staff as t1 join tourist_attractions as t2 on t1.tourist_attraction_id = t2.tourist_attraction_id where t2.name = "us museum"