What's the total power of the unit whose construction finished on 14.06.1963?
CREATE TABLE "reactors" (
  "unit" text,
  "type" text,
  "net_power" text,
  "total_power" text,
  "construction_start" text,
  "construction_finish" text,
  "commercial_operation" text,
  "shut_down" text
);
SELECT "total_power" FROM "reactors" WHERE "construction_finish"='14.06.1963';