<human>: Does the sentence "Philadelphia hosts numerous local and collegiate rowing clubs and competitions, including the annual Dad Vail Regatta, the largest intercollegiate rowing event in the U.S, the Stotesbury Cup Regatta, and the Head of the Schuylkill Regatta, all of which are held on the Schuylkill River." answer the question "Where are these races held?"

OPTIONS:
- yes
- no
<bot>: yes