What are electricals where secretariat is po(w)?
CREATE TABLE "d_r" (
  "serial_branch" real,
  "seaman" text,
  "mechanical" text,
  "secretariat" text,
  "supply" text,
  "electrical" text,
  "radio_electrical" text,
  "regulating" text,
  "medical" text
);
SELECT "electrical" FROM "d_r" WHERE "secretariat"='PO(W)';