Database: journal_committee
Question: Show the names and ages of editors and the theme of journals for which they serve on committees, in ascending alphabetical order of theme.
SQL: 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