What is the nature of the incident in Kabul on 2004-01-28?
CREATE TABLE "2004" (
  "date" text,
  "location" text,
  "nature_of_incident" text,
  "circumstances" text,
  "casualties" text
);
SELECT "nature_of_incident" FROM "2004" WHERE "location"='kabul' AND "date"='2004-01-28';