CREATE TABLE table_38584 ("Designation HD" CLOB, "Constellation" CLOB, "Date sent" CLOB, "Arrival date" CLOB, "Message" CLOB)

What date sent has cancer as the constellation?
SELECT "Date sent" FROM table_38584 WHERE "Constellation" = 'cancer'
SELECT "Date sent" FROM "table_38584" WHERE "Constellation" = 'cancer'