CREATE TABLE entrepreneur (entrepreneur_id DECIMAL, people_id DECIMAL, company TEXT, money_requested DECIMAL, investor TEXT)
CREATE TABLE people (people_id DECIMAL, name TEXT, height DECIMAL, weight DECIMAL, date_of_birth TEXT)

Return the names of entrepreneurs do no not have the investor Rachel Elnaugh.
SELECT T2.name FROM entrepreneur AS T1 JOIN people AS T2 ON T1.people_id = T2.people_id WHERE T1.investor <> "Rachel Elnaugh"
SELECT "T2"."name" FROM "entrepreneur" AS "T1" JOIN "people" AS "T2" ON "T1"."people_id" = "T2"."people_id" WHERE "Rachel Elnaugh" <> "T1"."investor"