Question: How many championships at welterweight did this British former professional boxer who competed from 1997 to 2012 and for whom Lee Beard worked as assistant trainer win?
Sentence (from "Ricky Hatton"): Richard John Hatton, {'1': ", '2': ", '3': ", '4': "} (born 6 October 1978) is a British former professional boxer who competed from 1997 to 2012, and has since worked as a boxing promoter and trainer.
Relevant evidence: Yes