Which Free polite has a Genitive 3 of *ni-da?
CREATE TABLE "proto_austronesian_personal_pronouns" (
  "free" text,
  "free_polite" text,
  "genitive_1" text,
  "genitive_2" text,
  "genitive_3" text
);
SELECT "free_polite" FROM "proto_austronesian_personal_pronouns" WHERE "genitive_3"='*ni-da';