table: [['model', 'chassis code', 'production time', 'number built', 'engine'], ['300sel', 'w109.015', '09 / 65 - 12 / 67', '2.369', '3.0l m189 i6'], ['300sel', 'w109.016', '12 / 67 - 01 / 70', '2.519', '2.8l m130 i6'], ['300sel 6.3', 'w109.018', '12 / 67 - 09 / 72', '6.526', '6.3l m100 v8'], ['300sel 3.5', 'w109.056', '08 / 69 - 09 / 72', '9.483', '3.5l m116 v8'], ['300sel 4.5', 'w109.057', '05 / 71 - 10 / 72', '2.533', '4.5l m117 v8']]
ref: W109.056 is the Chassis Code with the highest Number Built
template: [ENT] is the [ENT] with the highest [ENT]