If i want to get color of an object, i can do :

But how to get informations from a table, say literature.tbl?
For example, if the question is “what did Larry Niven write”?

how to get titles of books Larry Niven wrote?

A table is nothing more than a syntactic shortcut for executing a collection of code on a list of data.
The literatture table creates facts like:  createfact(^title write ^author) so you get them
just like you did color
query(direct_vo ? write “Larry Niven”)

Simple indeed ! Thank you very much !