** input from an example block
   :PROPERTIES:
   :DATE:     2010-07-13
   :END:
#+name: lorem
#+begin_example 
  Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
  eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut
  enimad minim veniam, quis nostrud exercitation ullamco laboris nisi
  ut aliquip ex ea commodo consequat. Duis aute irure dolor in
  reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
  pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
  culpa qui officia deserunt mollit anim id est laborum.
#+end_example

#+begin_src emacs-lisp :var lorem=lorem
  (message "%d words in Lorem" (length (split-string lorem)))
#+end_src

#+name:
: 68 words in Lorem

#+name: 1D
| 1 |
| 2 |
| 3 |
| 4 |

#+begin_src emacs-lisp :var lst=1D[:,0]
  lst
#+end_src

#+name:
: 1