question: Return the dates of birth for entrepreneurs who have either the investor Simon Woodroffe or Peter Jones.
#1 return entrepreneurs 
#2 return investors of  #1 
#3 return #1 where  #2 is Simon Woodroffe 
#4 return #1 where  #2 is Peter Jones 
#5 return #3 or #4 
#6 return dates of  birth of #5