CREATE TABLE table_22201 ("HD designation" TEXT, "Constellation" TEXT, "Distance  (  ly  ) " TEXT, "Spectral type" TEXT, "Signal power  (  kW  ) " FLOAT, "Date sent" TEXT, "Arrival date" TEXT)

If the constellation is Gemini, what is the spectral type?
SELECT "Spectral type" FROM table_22201 WHERE "Constellation" = 'Gemini'
SELECT "Spectral type" FROM "table_22201" WHERE "Constellation" = 'Gemini'