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

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'