[['number & name', 'description', 'livery', 'owner (s)', 'date'], ['operational', 'operational', 'operational', 'operational', 'operational'], ['nos 50321 51427', 'british rail class 101 dmcl dmbs', 'br lined green', 'renaissance railcars', '1958 / 59'], ['no e50266', 'british rail class 101 dmcl', 'br unlined green with half yellow end', 'renaissance railcars', '1957'], ['no m51616 m51622 m59276', 'british rail class 127 dmbs dms tslrb', 'br lined green', 'red triangle society', '1959'], ['undergoing overhaul , restoration or repairs', 'undergoing overhaul , restoration or repairs', 'undergoing overhaul , restoration or repairs', 'undergoing overhaul , restoration or repairs', 'undergoing overhaul , restoration or repairs'], ['no e53645 w53926', 'british rail class 108 dmcl dmbs', 'br blue and grey', 'nottingham (gc) dmu group', '1958 / 1959'], ['no e59575', 'british rail class 111 tslrb', 'br lined green', 'renaissance railcars', '1960'], ['no w79976', 'british railways ac cars railbus', 'br lined green', 'david clarke railway trust', '1958'], ['stored or static', 'stored or static', 'stored or static', 'stored or static', 'stored or static'], ['no e50193 e50203', 'british rail class 101 dmbs', 'br blue and grey', 'renaissance railcars', '1957'], ['no w51138 w51151 w59501', 'british rail class 116 dmbs dms tcl', 'br lined green', 'pressed steel heritage ltd', '1958 / 1960']]
for the date (s) of 1957 there is only 1 Owner listed for the year
for the date [ENT] of [ENT] there is only 1 [ENT] listed for the year