question: How many years passed between Sun Yat-sen creating China's first republic and the crackdown against Chinese jasmine protests?
#1 return Sun Yat-sen creating China 's first republic 
#2 return the  crackdown against Chinese jasmine protests 
#3 return year of #1 
#4 return year of #2 
#5 return the  difference of #4 and  #3