[['name', 'class', 'navy', 'date joined', 'date departed'], ['hms bluebell', 'flower class corvette', 'royal navy', '18 october', '21 october'], ['hmcs elk', 'armed yacht', 'royal canadian navy', '5 october', '7 october'], ['hms fowey', 'shoreham class sloop', 'royal navy', '18 october', '21 october'], ['hms heartsease', 'flower class corvette', 'royal navy', '18 october', '21 october'], ['hms leith', 'grimsby class sloop', 'royal navy', '18 october', '21 october'], ['hms scarborough', 'hastings class sloop', 'royal navy', '5 october', '21 october']]
the Armed Yacht and the Hastings Class Sloop may have Joined at the same time but Hmcs Elk , Class Armed Yacht Departed 14 day earlier
the [ENT] and the [ENT] may have [ENT] at the same time but [ENT] , [ENT] [ENT] [ENT] 14 day earlier