What is the hd designation for arrival date of February 2070?
CREATE TABLE "targets" (
  "hd_designation" text,
  "constellation" text,
  "distance_ly" text,
  "spectral_type" text,
  "signal_power_k_w" real,
  "date_sent" text,
  "arrival_date" text
);
SELECT COUNT("hd_designation") FROM "targets" WHERE "arrival_date"='February 2070';