CREATE TABLE journal_committee (Editor_ID INT, Journal_ID INT, Work_Type TEXT)
CREATE TABLE editor (Editor_ID INT, Name TEXT, Age FLOAT)
CREATE TABLE journal (Journal_ID INT, Date TEXT, Theme TEXT, Sales INT)

Show the ages of editors and the theme of journals for which they serve on committees by a bar chart, and list the bars in ascending alphabetical order of theme.
SELECT Theme, Age 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
SELECT "Theme", "Age" 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" NULLS FIRST