What is Su Tseng-chang?
{{Infobox officeholder | name = Su Tseng-chang | native_name = {{lang|zh-Hant-TW|蘇貞昌}} | native_name_lang = zh-tw | image =File:蘇貞昌院長.jpg | imagesize = 230px | nationality = Republic of China | order = | office = [[List of premiers of the Republic of China|41st and 50th]] [[Premier of the Republic of China]] | president = [[Tsai Ing-wen]] | vicepremier = [[Chen Chi-mai]] | term_start = 14 January 2019<ref>{{cite web|url=http://www.taipeitimes.com/News/front/archives/2019/01/12/2003707770|title=Former premier Su to regain position|date=12 January 2019|publisher=Taipei Times}}</ref> | term_end = 31 January 2023 | predecessor = [[William Lai]] | successor = [[Chen Chien-jen]] | president1 = [[Chen Shui-bian]] | vicepremier1 = [[Tsai Ing-wen]] | term_start1 = 25 January 2006 | term_end1 = 21 May 2007 | predecessor1 = [[Frank Hsieh]] | successor1 = [[Chang Chun-hsiung]] | office2 = [[Chairperson of the Democratic Progressive Party|Chairman of the Democratic Progressive Party]] | term_start2 = 30 May 2012<ref>{{cite web|url=http://www.taiwantoday.tw/ct.asp?xItem=191509&ctNode=445|title=Former Premier Su takes over as DPP leader - Taiwan Today|first=Ministry of Foreign Affairs, Republic of China|last=(Taiwan)|date=31 May 2012|publisher=}}</ref> | term_end2 = 28 May 2014 | predecessor2 = [[Chen Chu]] (acting) | successor2 = [[Tsai Ing-wen]] | order2 = | term_start3 = 15 February 2005 | term_end3 = 3 December 2005 | predecessor3 = [[Ker Chien-ming]] (acting) | successor3 = [[Annette Lu]] (acting) | office4 = [[Magistrate of Taipei County|Magistrate]] of [[New Taipei City|Taipei County]] | term_start4 = 20 December 1997 | term_end4 = 20 May 2004 | predecessor4 = [[You Ching]] | successor4 = [[Lin Hsi-yao]] (acting)<br />[[Chou Hsi-wei]] | order4 = | office5 = [[List of magistrates of Pingtung County|Magistrate]] of [[Pingtung County]] | term_start5 = 20 December 1989 | term_end5 = 20 December 1993 | predecessor5 = [[Shih Meng-hsiung]] | successor5 = [[Wu Tse-yuan]] | birth_date = {{Birth date and age|df=yes|1947|7|28}}