Name the commissioned-decommissioned for oakland and NVR page of aor-1
CREATE TABLE "ships" (
  "ship" text,
  "hull_no" text,
  "builder" text,
  "home_port" text,
  "commissioned_decommissioned" text,
  "nvr_page" text
);
SELECT "commissioned_decommissioned" FROM "ships" WHERE "home_port"='oakland' AND "nvr_page"='aor-1';