CREATE TABLE table_19 ("Equivalent NATO Rank Code" TEXT, "Rank in Spanish" TEXT, "Rank in English" TEXT, "Commonwealth equivalent" TEXT, "US Air Force equivalent" TEXT)

Give me a list of all spanish officer titles that could receive recognition as group captain in english
SELECT "Rank in English" FROM table_19 WHERE "Commonwealth equivalent" = 'Group Captain'
SELECT "Rank in English" FROM "table_19" WHERE "Commonwealth equivalent" = 'Group Captain'