 The prime minister-designate has 42 days to put together a viable coalition (extensions can be granted and often are), and then must win a vote of confidence in the Knesset before taking office.The table below lists the parliamentary factions represented in the 23rd Knesset.Despite numerous motions of no confidence being tabled in the Knesset, a government has only been defeated by one once, when Yitzhak Shamir's government was brought down on 15 March 1990 as part of a plot that became known as "the dirty trick" (Hebrew