query: How many professional football clubs are there in England?
passage: English football league system
The exact number of clubs varies from year to year as clubs join and leave leagues, fold or merge altogether, but an estimated average of 15 clubs per division implies that more than 7,000 teams of nearly 5,300 clubs are members of a league in the English men's football league system.
passage: Football DataCo
Football DataCo is a British company in the football industry that grants licences to third parties (such as newspapers) allowing them to reproduce certain intellectual property (such as fixture lists and statistics) owned by the UK's three professional football leagues: the Premier League, The Football League and the Scottish Professional Football League.