[['class', 'railway number (s)', 'quantity', 'year (s) of manufacture', 'type'], ['bw', '1 - 5', '5', '1887 - 1900', 'a1 bm'], ['dw ( de )', '1 - 5', '5', '1895 - 1901', 'a1 n2'], ['dw ( de )', '6 - 17', '12', '1903 - 1909', 'a1 h2'], ['aw', '1', '(1)', '(1897)', 'bo′2′ g2t'], ['dwss ( de )', '1', '1', '1907', '(1a) 2′ h2']]
there are 7 more Dw ( De ) in railways 6 - 17 than Dw ( De ) in railways 1 - 5
there are 7 more [ENT] in railways [ENT] than [ENT] in railways [ENT]