What key details about paulinho ferreira can be extracted from the following bio? Bio: luiz machado da silva -lrb- born 14 january 1940 -rrb- is a brazilian former footballer who competed in the 1960 summer olympics .
The answer to this question is:
- position is forward- birth date is 14 january 1940- fullname is paulo ferreira de camargo filho- name is paulinho ferreira