Context: In mid 2011, the Foundation announced in its new "Water, Sanitation, Hygiene Strategy Overview" that its funding now focuses primarily on sanitation, particularly in sub-Saharan Africa and South Asia, because access to improved sanitation is lowest in those regions. Their grant-making focus has been since 2011 on sanitation science and technology ("transformative technologies"), delivery models at scale, urban sanitation markets, building demand for sanitation, measurement and evaluation as well as policy, advocacy and communications.

Question: What did the foundation announce in 2011
Answer: In mid 2011, the Foundation announced in its new "Water, Sanitation, Hygiene Strategy Overview"

Question: What is the purpose of the new overview
Answer: funding now focuses primarily on sanitation, particularly in sub-Saharan Africa and South Asia, because access to improved sanitation is lowest in those regions

Question: What has been the focus since 2011
Answer: Their grant-making focus has been since 2011 on sanitation science and technology ("transformative technologies")

Question: What models have been delivered
Answer: delivery models at scale, urban sanitation markets, building demand for sanitation, measurement and evaluation as well as policy, advocacy and communications

Question: What did the transformative technologies announce in 2011?
Answer: Unanswerable

Question: What is the purpose of funding the new technology?
Answer: Unanswerable

Question: What advocacy policies have been delivered?
Answer: Unanswerable

Question: Where is communication lowest in the region?
Answer: Unanswerable

Question: What year has the grant making focus been on funding?
Answer: Unanswerable