Claim: The Netherlands have had 19 football teams, one of which has won the League Championship 34 times, the most of any team from the country.
Evidence: The Eredivisie consists of 18 clubs. The Eredivisie (Dutch pronunciation: [ˈeːrədivizi; "Honour Division" or "Premier Division") is the highest level of professional football in the Netherlands. Ajax Amsterdam has won most titles, 26 (34 national titles). Amsterdamsche Football Club Ajax (Dutch pronunciation: [ˈaːjɑks), also known as AFC Ajax, Ajax Amsterdam, or simply Ajax, is a Dutch professional football club based in Amsterdam, that plays in the Eredivisie, the top tier in Dutch football. Historically, Ajax (named after the legendary Greek hero) has been the most successful club in the Netherlands, with 34 Eredivisie titles and 19 KNVB Cups. 
18 The Eredivisie (Dutch pronunciation: [ˈeːrədivizi; "Honour Division" or "Premier Division") is the highest level of professional football in the Netherlands. Ajax Amsterdam has won most titles, 26 (34 national titles). Amsterdamsche Football Club Ajax (Dutch pronunciation: [ˈaːjɑks), also known as AFC Ajax, Ajax Amsterdam, or simply Ajax, is a Dutch professional football club based in Amsterdam, that plays in the Eredivisie, the top tier in Dutch football. Historically, Ajax (named after the legendary Greek hero) has been the most successful club in the Netherlands, with 34 Eredivisie titles and 19 KNVB Cups.