CREATE TABLE "most_visited_tourist_attractions" (
  "rank" real,
  "cultural_attraction" text,
  "type" text,
  "location" text,
  "visitors_2007" real
);

Question: How many visitors in 2007 were there for ski jumping hill?
SQL: SELECT SUM("visitors_2007") FROM "most_visited_tourist_attractions" WHERE "type"='ski jumping hill';