Show the names and ages of editors and the theme of journals for which they serve on committees, in ascending alphabetical order of theme.
select t2.name, t2.age, t3.theme from journal_committee as t1 join editor as t2 on t1.editor_id = t2.editor_id join journal as t3 on t1.journal_id = t3.journal_id order by t3.theme asc