org-babel-get-rownames
org-babel-get-rownames is a compiled Lisp function in `ob-core.el
'.
(org-babel-get-rownames TABLE)
Return the row names of TABLE.
Return a cons cell, the `car' of which contains the TABLE less
rownames, and the `cdr' of which contains a list of the rownames.
Note: this function removes any hlines in TABLE.