At the World Cup semi-final between England and Argentina, a reporter tested American fans' football knowledge after some had paid around $5,000 for tickets. The five-question quiz covered basic rules and terms, including the number of players on a team, match duration, hat tricks, VAR and the offside rule. While some fans struggled with the more technical questions, many got the basics right, with one saying the tournament had helped boost football's popularity in the United States.