manager Chia Ah Soon and director Sin Kek Tong, the later who would found Chiam's spin-off party of Singapore People's Party. The party chose to target the government on the plan to amend the constitution, and that the economic prosperity indicators it used were untrue When the results were declared, it emerged that the SDP was the only opposition party to win a seat, with Chiam re-elected as Potong Pasir MP for a second term. The SDP scored 39.5% of the total votes cast in all the constituencies it had contested in. 1991 general elections The PAP's announcement of a general election in 1991 came when the ruling party was barely in office for three years. The SDP chose to highlight its objections to some controversial government policies such as the sharp increase of ministers' salaries, the cost of healthcare, university education, transport and the GST. Most significantly, the SDP engineered an agreement with the other opposition parties to contest just under half the seats in Parliament, thus creating a "by-election effect" (reassuring voters that there would not be a change in government and encouraging them to elect more opposition voices). The election results saw SDP best performance for an opposition in post-independence Singapore since Barisan Sosialis with a combined vote share of 48.6%. All nine of the candidates put up extremely strong fights against the PAP during this election, with three candidates elected to the parliament (Leader Chiam, party Chairman Ling How Doong and Cheo Chai Chen of Potong Pasir SMC, Bukit Gombak SMC and Nee Soon Central SMC, respectively); While Ling and Cheo were elected in tight margins, Chiam's 69.6% was both himself and any opposition's best performance hitherto. Along with Worker's Party would-be leader Low Thia Khiang electing in Hougang, the opposition won a combined four parliament seats, then the largest representation since 1963. At the time, the result was viewed as being a notable setback to the ruling party and Prime Minister Goh Chok Tong. In 1992, Chiam recruited Chee Soon Juan, a psychology lecturer at the National University of Singapore (NUS), to be an SDP candidate for a by-election in the Marine Parade Group Representation Constituency. Although the SDP was unsuccessful in the by-election (the PAP won 72.9% of the votes, the SDP 24.5%, and other smaller parties 2.6%), the recruitment of Chee as a candidate generated considerable public interest. However differences between Chiam, Chee