when was birth when death place is n.a., other names is n.a. and name is wahid-un-nisa begum sahiba?
CREATE TABLE "children" (
  "name" text,
  "other_names" text,
  "birth" text,
  "death" text,
  "death_place" text,
  "mother" text
);
SELECT "birth" FROM "children" WHERE "death_place"='n.a.' AND "other_names"='n.a.' AND "name"='wahid-un-nisa begum sahiba';