CREATE TABLE table_4873 ("Round" FLOAT, "Overall" FLOAT, "Player" CLOB, "Position" CLOB, "School/Club Team" CLOB)

During which round was the first defensive end with an overall rank larger than 186 drafted?
SELECT MIN("Round") FROM table_4873 WHERE "Overall" > '186' AND "Position" = 'defensive end'
SELECT MIN("Round") FROM "table_4873" WHERE "Overall" > '186' AND "Position" = 'defensive end'