CREATE TABLE "proto_austronesian_personal_pronouns" (
  "free" text,
  "free_polite" text,
  "genitive_1" text,
  "genitive_2" text,
  "genitive_3" text
);

Question: Which Free polite has a Genitive 3 of *ni-da?
SQL: SELECT "free_polite" FROM "proto_austronesian_personal_pronouns" WHERE "genitive_3"='*ni-da';

Question: Which Free polite has a Genitive 1 of *=ku?
SQL: SELECT "free_polite" FROM "proto_austronesian_personal_pronouns" WHERE "genitive_1"='*=ku';

Question: Which Free has a Free polite of *[i-]k-ita?
SQL: SELECT "free" FROM "proto_austronesian_personal_pronouns" WHERE "free_polite"='*[i-]k-ita';

Question: Which Free polite has a Genitive 3 of *n(i)-ami?
SQL: SELECT "free_polite" FROM "proto_austronesian_personal_pronouns" WHERE "genitive_3"='*n(i)-ami';

Question: Which Genitive 1 has a Free polite of –, and a Genitive 2 of –, and a Genitive 3 of *n(i)-ia?
SQL: SELECT "genitive_1" FROM "proto_austronesian_personal_pronouns" WHERE "free_polite"='–' AND "genitive_2"='–' AND "genitive_3"='*n(i)-ia';

Question: Which Genitive 1 has a Genitive 3 of *n(i)-ia?
SQL: SELECT "genitive_1" FROM "proto_austronesian_personal_pronouns" WHERE "genitive_3"='*n(i)-ia';