question: Which teaching hospital where Ann Kiessling worked as an Associate Professor has an annual research budget of more than $630 million?
answer: Brigham and Women's Hospital
context: Title: Massachusetts General Hospital
  Passage: Massachusetts General Hospital (Mass General or MGH) is the original and largest teaching hospital of Harvard Medical School and a biomedical research facility located in the West End neighborhood of Boston, Massachusetts.  It is the third oldest general hospital in the United States and the oldest and largest hospital in New England with 950 beds.  With Brigham and Women's Hospital, it is one of the two founding members of Partners HealthCare, the largest healthcare provider in Massachusetts.  Massachusetts General Hospital conducts the largest hospital-based research program in the world, with an annual research budget of more than $750 million.  It is currently ranked as the #3 hospital in the United States by "U.S. News & World Report".
  Title: Brigham and Women's Hospital
  Passage: Brigham and Women's Hospital (BWH, "The Brigham") is located adjacent to Harvard Medical School, of which it is the second largest teaching affiliate.  It is the largest hospital of the Longwood Medical and Academic Area in Boston, Massachusetts, US.  With Massachusetts General Hospital, it is one of the two founding members of Partners HealthCare, the largest healthcare provider in Massachusetts.  Brigham and Women's Hospital conducts the second largest hospital-based research program in the world, with an annual research budget of more than $630 million.  Pioneering milestones include the world's first successful heart valve operation and the world's first solid organ transplant.
  Title: Ann Kiessling
  Passage: Ann A. Kiessling is an American reproductive biologist and one of the leaders in human parthenogenic stem cell research at The Bedford Stem Cell Research Foundation.  She was an Associate Professor in teaching hospitals of Harvard Medical School (Brigham and Women's Hospital, Faulkner Hospital, New England Deaconess, Beth Israel Deaconess Medical Center) from 1985 until 2012.
citations: Brigham and Women's Hospital Ann Kiessling