CREATE TABLE table_68826 ("Date" TEXT, "Location" TEXT, "Nature of incident" TEXT, "Circumstances" TEXT, "Casualties" TEXT)

What is the nature of the incident in Kabul on 2004-01-28?
SELECT "Nature of incident" FROM table_68826 WHERE "Location" = 'kabul' AND "Date" = '2004-01-28'
SELECT "Nature of incident" FROM "table_68826" WHERE "Date" = '2004-01-28' AND "Location" = 'kabul'