(a) How many comments have been received in response to her department’s call for comments on its National Rail Policy Green Paper, (b)(i) who and/or (ii) which organisations submitted comments, (c)(i) how are the comments being considered and (ii) by whom and (d)(i) what criteria are used to consider incorporating a comment in the final version of the specified policy and (ii) by when will such comments be incorporated into the final policy?