CREATE TABLE VISITS (Tourist_Attraction_ID VARCHAR2, Tourist_ID VARCHAR2)
CREATE TABLE VISITORS (Tourist_Details VARCHAR2, Tourist_ID VARCHAR2)
CREATE TABLE Tourist_Attractions (Name VARCHAR2, Tourist_Attraction_ID VARCHAR2)

What are the names of the tourist attractions Vincent and Marcelle visit?
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 = "Vincent" INTERSECT 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 = "Marcelle"
SELECT "T1"."Name" FROM "Tourist_Attractions" "T1" JOIN "VISITS" "T3" ON "T1"."Tourist_Attraction_ID" = "T3"."Tourist_Attraction_ID" JOIN "VISITORS" "T2" ON "T2"."Tourist_Details" = "Vincent" AND "T2"."Tourist_ID" = "T3"."Tourist_ID" INTERSECT SELECT "T1"."Name" FROM "Tourist_Attractions" "T1" JOIN "VISITS" "T3" ON "T1"."Tourist_Attraction_ID" = "T3"."Tourist_Attraction_ID" JOIN "VISITORS" "T2" ON "Marcelle" = "T2"."Tourist_Details" AND "T2"."Tourist_ID" = "T3"."Tourist_ID"