How many places has the rank changed since 2006, for Clane? 
CREATE TABLE "see_also" (
  "rank_2011" real,
  "change_since_2006" text,
  "urban_area" text,
  "county" text,
  "population_2011" real,
  "increase_since_2006" text
);
SELECT "change_since_2006" FROM "see_also" WHERE "urban_area"='Clane';