What is the highest death/2013 when the death/2012 is 12,7?
CREATE TABLE "table1_25703_1" (
  "january_september_2013" text,
  "birth_2013" real,
  "birth_2012" real,
  "death_2013" real,
  "death_2012" text
);
SELECT MAX("death_2013") FROM "table1_25703_1" WHERE "death_2012"='12,7';