from 22 November 1990 were cardiologist Professor Maurice Choo and company executive Leong Chee Whye. As of December 2010, one NMP – Professor Walter Woon Cheong Ming, a law lecturer at the National University of Singapore – had succeeded in having a public law enacted based on a private member's bill he or she had initiated. The law in question is the Maintenance of Parents Act, which entitles parents at least 60 years old and unable to maintain themselves adequately to apply to a tribunal for their children to be ordered to pay maintenance to them. The bill was introduced in Parliament by Woon on 23 May 1994, and eventually passed on 2 November 1995. In that year, the first woman NMP, Dr. Kanwaljit Soin, also introduced a Family Violence Bill but it did not pass. Following his term as an NMP, Gerard Ee, a Roman Catholic, was invited in November 2002 to join a team of seven parliamentarians of different faiths tasked to refine the Declaration of Religious Harmony, which was presented as the product of interfaith dialogue and understanding. This is an example of how NMPs have influenced soft law and the legal culture in Singapore. In 2009, the arts community became the first group among the functional groups that NMPs are meant to represent to undertake an open election process to pick the candidates of their choice. It choose Audrey Wong and Loretta Chen, and submitted their names to the authorities. Audrey Wong was selected to become the first "Arts" NMP, and served from 2009 to 2011. In 2011, the arts community underwent the same process and elected Janice Koh as its candidate. She was appointed an NMP in 2012. On 25 May 2009 during a debate in Parliament, Siew Kum Hong called for a hybrid Parliament in which a limited number of seats would be allocated by way of proportional representation, while the majority would still be filled the way they are now. He felt this would allow for more diverse views in Parliament, adding that it would be "more consistent with democratic principles than a scheme like the Nominated MP scheme". Siew also noted that while the act of voting was key to democracy and political participation, a large number of Singaporeans do not get to vote at each election because walkovers are prevalent. NMPs are supposed to be non-partisan but after it had been