Complex sentence: In the United States, the song debuted on the "Billboard" Hot 100 at number 78 on June 12,1999, and peaked at number 19 on July 13,1999 on the strength of radio airplay only.
Split into simpler sentences: In the United States, the song debuted on the "Billboard" Hot 100 at number 78 on June 12,1999. It peaked at number 19 on July 13,1999 on the strength of radio airplay only.