ship  13.5 - inch / 1400lb  13.5 - inch / 1250lb  12 - inch  total
0       lützow                     0                     2          8     10
1  derfflinger                     0                     0          3      3
2     seydlitz                     0                     0          1      1
3        könig                     7                     1          0      8
4     markgraf                     0                     1          0      1
5        total                     7                     4         12     23

Table as JSON:
{"ship":{"0":"lützow","1":"derfflinger","2":"seydlitz","3":"könig","4":"markgraf","5":"total"},"13.5 - inch \/ 1400lb":{"0":0,"1":0,"2":0,"3":7,"4":0,"5":7},"13.5 - inch \/ 1250lb":{"0":2,"1":0,"2":0,"3":1,"4":1,"5":4},"12 - inch":{"0":8,"1":3,"2":1,"3":0,"4":0,"5":12},"total":{"0":10,"1":3,"2":1,"3":8,"4":1,"5":23}}