What's the n Africa in 2012 with an N/A as the CPLP?
CREATE TABLE "international_recognition" (
  "index" text,
  "score" text,
  "palop_rank" text,
  "cplp_rank" text,
  "n_africa_rank" text,
  "world_rank" text,
  "year" real
);
SELECT "n_africa_rank" FROM "international_recognition" WHERE "year"=2012 AND "cplp_rank"='n/a';