ADMINISTRATIVE LAW - RIGHT TO INFORMATION - REFUSAL OF ACCESS - EXEMPT INFORMATION - LEGAL PROFESSIONAL PRIVILEGE - communications in connection with engagement of consulting firm by legal representatives - evidence summary and analysis document created by legal representatives - whether provision to consulting firm amounts to waiver - whether information exempt on basis of legal professional privilege under schedule 3, section 7 of the Right to Information Act 2009 (Qld) - whether access to information may be refused under section 47(3)(a) of the Right to Information Act 2009 (Qld)