Its difficult to see anything thats not a problem right now. Thank you for your feedback. In this context he is another problem, just one of many. Structurally, it does not convince. But its not just that, it is everything.
The 57th is its first and last name.
( z0 name :domain 57th :mod ( z1 last ) :ord ( z2 ordinal-entity :value 1 ) :poss ( z3 it ) )
(z0 / name
    :domain 57th
    :mod (z1 / last)
    :ord (z2 / ordinal-entity
             :value 1)
    :poss (z3 / it))
The 57th is its first and last name .
z2 :value 0
z0 :mod z1
z0 :ord z2
z0 :poss z3
z0 :domain 1