Question: Who scored the most hat tricks in football?
Disambiguated questions and answers: question: Who scored the most hat tricks in UEFA Champions League football?
Who scored the most hat tricks in La Liga football?
Who scored the most hat tricks in Premier League football?
Who scored the most hat tricks in World Cup football?
answer: Cristiano Ronaldo
Lionel Messi
Lionel Messi and Cristiano Ronaldo
Messi
Lionel Messi
Sergio Agüero
Agüero
Sándor Kocsis , Just Fontaine, Gerd Müller, and Gabriel Batistuta
Gerd Müller
Just Fontaine
Sándor Kocsis
Gabriel Batistuta
Natural Questions answer: Cristiano Ronaldo and Messi (from the Wikipedia article "List of UEFA Champions League hat-tricks")