Question: What is is a United States federal statute enacted by the 111th United States Congress and signed into law by President Barack Obama, who at the time the Deputy White House Chief of Staff for Implementation for U.S. President Barack Obama made this one of her major projects?
Sentence (from "Patient Protection and Affordable Care Act"): Together with the Health Care and Education Reconciliation Act of 2010 amendment, it represents the U.S. healthcare system's most significant regulatory overhaul and expansion of coverage since the passage of Medicare and Medicaid in 1965.
Relevant evidence: No