CREATE TABLE people (People_ID INT, Name TEXT, Height FLOAT, Weight FLOAT, Date_of_Birth TEXT)
CREATE TABLE entrepreneur (Entrepreneur_ID INT, People_ID INT, Company TEXT, Money_Requested FLOAT, Investor TEXT)

Return the dates of birth for entrepreneurs who have either the investor Simon Woodroffe or Peter Jones, and count them by a bar chart
SELECT Date_of_Birth, COUNT(Date_of_Birth) FROM entrepreneur AS T1 JOIN people AS T2 ON T1.People_ID = T2.People_ID WHERE T1.Investor = "Simon Woodroffe" OR T1.Investor = "Peter Jones"
SELECT "Date_of_Birth", COUNT("Date_of_Birth") FROM "entrepreneur" AS "T1" JOIN "people" AS "T2" ON "T1"."People_ID" = "T2"."People_ID" WHERE "Peter Jones" = "T1"."Investor" OR "Simon Woodroffe" = "T1"."Investor"