Question:
Who was the chair of International AIDS Society in Aug, 2005?

Context:
 Adeeba Kamarulzaman is the chair of International AIDS Society from Jan, 2020 to Dec, 2022. 
 Helene D. Gayle is the chair of International AIDS Society from Jan, 2004 to Jan, 2006. 
 Françoise Barré-Sinoussi is the chair of International AIDS Society from Jan, 2012 to Jan, 2014. 
 Linda-Gail Bekker is the chair of International AIDS Society from Jan, 2016 to Jan, 2018.

Answer:
Helene D. Gayle