Assertion: smooth | /r/HasProperty | ranked as the number-one rock song
Facets:
value: in the history of the chart
type: TEMPORAL
Source sentences:
text: On Billboard magazine's rankings of the top songs of the first 50 years of the Billboard Hot 100 singles chart, "Smooth" was ranked as the number-two song overall (behind only "The Twist" by Chubby Checker) and the number-one rock song in the history of the chart.