What is the change in % of the country's population since 1993 in the Lambayeque region?
CREATE TABLE "results" (
  "region" text,
  "population" real,
  "pct_of_countrys_population" text,
  "change_in_population_since_1993" real,
  "change_in_pct_of_countrys_population_since_1993" text
);
SELECT "change_in_pct_of_countrys_population_since_1993" FROM "results" WHERE "region"='Lambayeque';