SELECT avg(Money_Requested) FROM entrepreneur
Return the average money requested across all entrepreneurs.
[Schema (values) (types)]: | entrepreneur |  entrepreneur : entrepreneur_id (text) , people_id (number) , company (number) , money_requested (text) , investor (number) | people : people_id (text) , name (number) , height (number) , weight (text) , date_of_birth (number);