CREATE TABLE table_42149 ("Location" TEXT, "Aircraft" TEXT, "Tail number" TEXT, "Aircraft damage" TEXT, "Fatalities" TEXT)

What is the Fatalities when the tail number was unknown and in Kabul>
SELECT "Fatalities" FROM table_42149 WHERE "Tail number" = 'unknown' AND "Location" = 'kabul'
SELECT "Fatalities" FROM "table_42149" WHERE "Location" = 'kabul' AND "Tail number" = 'unknown'