Final answer:
Congress can conduct investigations and hold hearings to gather information, which is an important aspect of its oversight capacity.
Step-by-step explanation:
The accurate statement about Congress's oversight capacity is that Congress can conduct investigations and hold hearings to gather information. This is one of the important roles of Congress when it comes to overseeing the actions of the executive branch and other bodies such as the federal bureaucracy. Through these hearings, Congress can question the leaders of the various bureaucracies and gather information to ensure accountability and transparency.