Question: How many gallery type attractions are there? | Can   you  give  more  info  about  this  ? | How many attractions belong to gallery type?
SQL: SELECT count ( * )  FROM Ref_Attraction_Types AS T1 JOIN Tourist_Attractions AS T2 ON T1.Attraction_Type_Code  =  T2.Attraction_Type_Code where Attraction_Type_Description  =  "gallery"