What was the deployed from date for the a-4b aircraft from westpac with a tail code of ah-3xx?
CREATE TABLE "deployments" (
  "from" text,
  "aircraft" text,
  "carrier" text,
  "air_wing" text,
  "tail_code" text,
  "area" text
);
SELECT "from" FROM "deployments" WHERE "tail_code"='ah-3xx' AND "area"='westpac' AND "aircraft"='a-4b';