question: What are the unique names of races that held after 2000 and the circuits were in Spain?
#1 return races 
#2 return when  was  #1 
#3 return #1 where #2 is higher than 2000 
#4 return circuits of #3 
#5 return where are #4 
#6 return #3 where #5 is in  Spain 
#7 return unique names of #6