CREATE TABLE table_25639 ("No." FLOAT, "Place & date" CLOB, "Target" CLOB, "Area damaged" CLOB, "Cause of damage" CLOB, "Intercepted by Patriot" CLOB)

What number missile led to damage to the Islamic University campus?
SELECT MIN("No.") FROM table_25639 WHERE "Area damaged" = 'Islamic University campus'
SELECT MIN("No.") FROM "table_25639" WHERE "Area damaged" = 'Islamic University campus'