select e.ename, e.hiredate, e.deptno
from emp e
where e.hiredate = (
  select min(hiredate)
  from emp
  where deptno in (
    select deptno
    from emp
    where ename = 'KING'
  )
) and e.deptno = (
  select deptno
  from emp
  where ename = 'KING'
);