Question:
Which position did Ann Veneman hold in Sep, 2006?

Context:
 Ann Veneman holds the position of United States Secretary of Agriculture from Jan, 2001 to Jan, 2005. 
 Ann Veneman holds the position of United States Deputy Secretary of Agriculture from Jan, 1991 to Jan, 1993. 
 Ann Veneman holds the position of Executive Director of UNICEF from May, 2005 to Apr, 2010.

Answer:
Executive Director of UNICEF