[db][define,![[values,people]]
              -> [join,![[db][value,projects]],[project,eq,title]] => ![[noop]]
              -> [value,title] => ![[value,project]]]
    [define,![[value,people]]
              -> [insert,@type?,[name:$x.@string,project:$y.@string]] =>
                   ![[insert,person,[name:x,
                                     project:y,
                                     lang:![[db][values,projects]
                                                [has,title,eq,y]
                                                [value,lang]]]]]]