Table:
text: Shiratsuyu-class destroyer
List of ships
Ships of the Shiratsuyu class
blank Ship Shipyard Laid_down Launched Completed Fate_
白露 Shiratsuyu Sasebo Naval Arsenal 14 November 1933 5 April 1935 20 August 1936 Collision 15 June 1944
時雨 Shigure Uraga Dock Company 9 December 1933 18 May 1935 7 September 1936 Sunk in action 24 January 1945
村雨 Murasame Fujinagata Shipyards 1 February 1934 20 June 1935 7 January 1937 Sunk in action, 6 March 1943
夕立 Yudachi Sasebo Naval Arsenal 16 October 1934 21 June 1936 7 January 1937 Sunk in action 13 November 1942
五月雨 Samidare Uraga Dock Company 19 December 1934 6 July 1935 29 January 1937 Sunk in action 26 August 1944

text: Shiratsuyu-class destroyer
List of ships
Ships of the Shiratsuyu class
blank Ship Shipyard Laid_down Launched Completed Fate_
春雨 Harusame Uraga Dock Company 3 February 1935 21 September 1935 26 August 1937 Sunk in action 8 June 1944
山風 Yamakaze Uraga Dock Company 25 May 1935 21 February 1936 30 June 1937 Sunk in action 23 June 1942
江風 Kawakaze Fujinagata Shipyards 25 April 1935 1 November 1936 30 April 1937 Sunk in action 6 August 1943
海風 Umikaze Maizuru Naval Arsenal 4 May 1935 27 November 1936 31 May 1937 Sunk in action 1 February 1944
涼風 Suzukaze Uraga Dock Company 9 July 1935 11 March 1937 31 August 1937 Sunk in action 25 January 1944

Question: How many Shiratsuyu-class ships were there in total in the Shiratsuyu-class destroyer?

Question: Which shipyard was most commonly used for Shiratsuyu class destroyers?