What are the commissioned for scotts, greenock and chieftain?
{'header': ['Name', 'Pennant', 'Builder', 'Laid Down', 'Launched', 'Commissioned', 'Fate'], 'page_title': 'C-class destroyer (1943)', 'section_title': '"Ch" (or 12th Emergency) Flotilla', 'caption': '"Ch" (or 12th Emergency) Flotilla', 'rows': [['Chaplet', 'R52', 'Thornycroft , Woolston', '29 April 1943', '18 July 1944', '24 August 1945', 'Sold for scrapping 1965'], ['Chequers *', 'R61', 'Scotts, Greenock', '4 May 1943', '30 October 1944', '28 September 1945', 'Sold for scrapping 1966'], ['Chieftain', 'R36', 'Scotts, Greenock', '27 June 1943', '26 February 1945', '7 March 1946', 'Sold for scrapping 1961'], ['Chevron', 'R51', 'Alex. Stephen , Linthouse', '18 March 1943', '23 February 1944', '23 August 1945', 'Sold for scrapping 1969'], ['Cheviot', 'R90', 'Alex. Stephen, Linthouse', '27 April 1943', '2 May 1944', '11 December 1945', 'Sold for scrapping 1966']]}