Spacemacs version 0.200.7
Org mode version 9.0.3
Guile version 2.0.11

#+BEGIN_SRC emacs-lisp
    (list '(1 2 3) '(4 5 6))
#+END_SRC

#+RESULTS:
| 1 | 2 | 3 |
| 4 | 5 | 6 |

#+BEGIN_SRC scheme
   (list '(1 2 3) '(4 5 6))
#+END_SRC

#+RESULTS:
:((1 2 3) (4 5 6))

Is it me  or a known bug?