Premise: Dwight Yoakam is an American country music singer-songwriter. Since his debut single, "Honky Tonk Man" in 1986, he has released 46 singles, including two "Billboard" Hot Country Songs number one singles, as well as 4 number ones in Canada. In addition to having two number one singles in the United States, Yoakam also has thirteen Top 10 singles on the country chart.
Hypothesis: He had two number one singles in the United States.