CREATE TABLE "timeline_of_tallest_buildings" (
  "name" text,
  "street_address" text,
  "years_as_tallest" text,
  "height_ft_m" text,
  "floors" real
);

Question: The building with 48 floors has an address in Las Vegas of what?
SQL: SELECT "street_address" FROM "timeline_of_tallest_buildings" WHERE "floors"=48;

Question: The Palazzo's street address is listed as what?
SQL: SELECT "street_address" FROM "timeline_of_tallest_buildings" WHERE "name"='the palazzo';