Database: cre_Theme_park
Question: What are the names of tourist attraction that Alison visited but Rosalind did not visit?
SQL: select t1.name from tourist_attractions as t1 join visitors as t2 join visits as t3 on t1.tourist_attraction_id  =  t3.tourist_attraction_id and t2.tourist_id  =  t3.tourist_id where t2.tourist_details  =  "alison" except select t1.name from tourist_attractions as t1 join visitors as t2 join visits as t3 on t1.tourist_attraction_id  =  t3.tourist_attraction_id and t2.tourist_id  =  t3.tourist_id where t2.tourist_details  =  "rosalind"