What is the most popular sport?
Soccer also known as football outside of USA is the most popular sport with over 3.5 billion fans. It consists of 11 players and maximum 5 substitutions during a 90 minutes regulation time allowed. The formation consists of a goalie, defense, midfield and offense. 191 countries represent a national soccer team which is more than any other nationally represented sport.
Instruction: What is the most popular sport?
Context: 
Response: Soccer also known as football outside of USA is the most popular sport with over 3.5 billion fans. It consists of 11 players and maximum 5 substitutions during a 90 minutes regulation time allowed. The formation consists of a goalie, defense, midfield and offense. 191 countries represent a national soccer team which is more than any other nationally represented sport.