Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Kanji | Name | Builder | Laid down | Launched | Completed |
| --- | --- | --- | --- | --- | --- |
| 樅 | Momi | Yokosuka Naval Arsenal , Japan | 23 January 1918 | 10 June 1919 | 27 December 1919 |
| 榧 | Kaya | Yokosuka Naval Arsenal , Japan | 23 December 1918 | 10 June 1919 | 28 March 1920 |
| 梨 | Nashi | Kawasaki Shipyards , Kobe , Japan | 2 February 1918 | 26 August 1919 | 10 December 1919 |
| 竹 | Take | Kawasaki Shipyards , Kobe, Japan | 2 December 1918 | 26 August 1919 | 25 December 1919 |
| 柿 | Kaki | Uraga Dock Company , Japan | 27 February 1919 | 20 October 1919 | 2 August 1920 |
| 栂 | Tsuga | Ishikawajima Shipyards , Japan | 5 March 1919 | 17 April 1920 | 20 June 1920 |
| 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 |
| 菱 | Hishi | Uraga Dock Company , Japan | 10 November 1920 | 9 May 1921 | 23 March 1922 |
| 蓮 | Hasu | Uraga Dock Company , Japan | 2 March 1921 | 8 December 1921 | 31 July 1922 |
| 蕨 | Warabi | Fujinagata Shipyards , Japan | 12 October 1920 | 28 September 1921 | 19 December 1921 |
| 蓼 | Tade | Fujinagata Shipyards , Japan | 20 December 1920 | 15 March 1920 | 31 July 1922 |
| 菫 | Sumire | Ishikawajima Shipyards , Japan | 24 November 1920 | 14 December 1921 | 31 March 1923 |
| 蔦 | Tsuta | Kawasaki Shipyards , Kobe, Japan | 16 October 1920 | 9 May 1921 | 30 June 1921 |
| 葦 | Ashi | Kawasaki Shipyards , Kobe, Japan | 15 November 1920 | 3 September 1921 | 29 October 1921 |
| 蓬 | Yomogi | Ishikawajima Shipyards , Japan | 26 February 1921 | 14 March 1922 | 19 August 1922 |
Question:
What is the launch date of 栗?
Answer:
19 March 1920