CREATE TABLE table_name_53 (fatalities VARCHAR, tail_number VARCHAR, location VARCHAR)

What is the Fatalities when the tail number was unknown and in Kabul>
SELECT fatalities FROM table_name_53 WHERE tail_number = "unknown" AND location = "kabul"
SELECT "fatalities" FROM "table_name_53" WHERE "kabul" = "location" AND "tail_number" = "unknown"