The President would rather have been wearing his academic's hat as he ruled out of order a spate of questions on executive-led government. Andrew Wong Wang-fat said Chief Secretary Anson Chan Fang On-sang did not have to answer 'academic questions' from lawmakers. 'I wish I were wearing my other hat,' said Mr Wong, referring to his job as a Chinese University lecturer. At issue was the role of Legco under the vaguely-defined 'executive-led' system. A question by independent Elizabeth Wong Chien Chi-lien about whether the relationship could be likened to 'a shepherd leading a flock of sheep' was ruled out by Mr Wong, who said it was 'biblical'. He rejected another question by Dr Yeung Sum, another university lecturer, on why there was no definition of the term 'executive-led' in Blackwell's Encyclopedia of Political Science. Mr Wong said: 'You are seeking an academic opinion. It's not the Government's responsibility to answer academic questions.' Mrs Chan said: 'I don't want to debate who's leading whom. The roles of the executive and the legislature are very distinct and clearly set out.' She said Legco members had a constitutional right to introduce private bills provided their proposals did not involve using any part of the public revenue. But Mrs Chan warned: 'A proliferation of private member's bills on important issues of public policy would undermine the present division of responsibilities between executive and the legislature. 'As the Governor said in his policy address, we believe that the public interest would be better served if we moved forward on an agreed basis, rather than on parallel tracks.' She also said members had to bear in mind the limited time available during the legislative session. 'The political system of Hong Kong is built on the principle of 'separation of powers' with an executive-led government. 'The executive, legislature and judiciary have different and independent roles, which check, balance and support each other,' she said.