Table:
text: Momi-class destroyer
List of Ships
List of Ships
Kanji Name_ Builder Laid_down Launched Completed
楡 Nire Kure Naval Arsenal , Japan 5 September 1919 22 December 1919 31 March 1920
栗 Kuri Kure Naval Arsenal , Japan 5 December 1919 19 March 1920 30 April 1920
菊 Kiku Kawasaki Shipyards , Kobe, Japan 20 January 1920 13 October 1920 10 December 1920
葵 Aoi Kawasaki Shipyards , Kobe, Japan 1 April 1920 9 November 1920 10 December 1920
萩 Hagi Uraga Dock Company , Japan 28 February 1920 29 October 1920 20 April 1921
藤 Fuji Fujinagata Shipyards , Japan 6 December 1919 27 November 1920 31 May 1921
薄 Susuki Ishikawajima Shipyards , Japan 3 May 1920 21 February 1921 25 May 1921

Question: What is the launch date of 栗 among Momi-class destroyers?