Sandbox
{{#input: type = hidden | name = content | value = {{#ask: [[Name::{{#var:namevalue}}]] | ?Has title }} }}
Choose value: {{#sask: ?Has title | name = namevalue | any=off | sort=asc }}
{{#input: type = hidden | name = content | value = {{#ask: [[Name::{{#var:namevalue}}]] | ?Has title }} }}
Choose value: {{#sask: ?Has title | name = namevalue | any=off | sort=asc }}