CREATE TABLE editor (editor_id DECIMAL, name TEXT, age DECIMAL)
CREATE TABLE journal (journal_id DECIMAL, date TEXT, theme TEXT, sales DECIMAL)
CREATE TABLE journal_committee (editor_id DECIMAL, journal_id DECIMAL, work_type TEXT)

Show the names of editors that are on the committee of journals with sales bigger than 3000.
SELECT T2.name 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 WHERE T3.sales > 3000
SELECT "T2"."name" 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" AND "T3"."sales" > 3000