Are there any ways to create Lou Chuan by A.I.?

I’m making my own scenarios, but what I didn’t get yet is how to make Lou Chuan by A.I.

I initially, of course, used “train lou-chuan,” but it doesn’t work but pops an invalid identifier message.

(defrule
(unit-type-count-total lou-chuan < 3)
(can-train lou-chuan)
=>
(train lou-chuan)
)

This doesn’t work, for example.

Is there a proper way for it? Or, are there official campaign scenarios that A.I.s use Lou Chuan? If then, I can check it by the temp folder.

Found the way.

Its name is strangely set: 1948

Thus, we need to use (train 1948), for example. I guess the devs forgot to assign its name.

(defrule
(unit-type-count-total 1948 < 3)
(can-train 1948)
=>
(train 1948)
)

Huhuh…