Table:
text: Locomotives of the North British Railway
(1874–82)
(1874–82)
_1st_built _1913_Class W_A_ No_Built Builder Date_ LNER_Class
474 — 2-2-2 2 Neilson 1876 —
476 M 4-4-0 12 Neilson (8) NBR Cowlairs (4) 1877–79 D27/D28
494 P 4-4-0T 3 Neilson 1879 D50
72 R 4-4-0T 30 NBR Cowlairs 1880–84 D51
157 P 0-4-2T 6 NBR Cowlairs 1877 G8
100 C 0-6-0 32 NBR Cowlairs (12) Neilson (20) 1876–77 J32
34 D 0-6-0 13 NBR Cowlairs 1879 J34
497 D 0-6-0 88 NBR Cowlairs (83) Dübs (5) 1879–83 J34
165 R 0-6-0T 25 NBR Cowlairs 1875–78 J82
546 G 0-4-0T 2 Neilson 1882 Y9

Question: Which locomotive class of 1913 has a 1st construction value among 494 and WA of 4-4-0t among the North British Railway locomotives (1874–82)?