How many interstates are there in Colorado?
Colorado has three main highways (two-digit routes), and two auxiliary highways (three-digit routes), totaling five Interstates, all are located within the Denver metropolitan area
Instruction: How many interstates are there in Colorado?
Context: 
Response: Colorado has three main highways (two-digit routes), and two auxiliary highways (three-digit routes), totaling five Interstates, all are located within the Denver metropolitan area