Based on the context and the answer, generate a question. 

Context: She set the folder aside , clasping her hands in front of her , calling for her visitor to come in . Silver hair and an easy grin entered her office , drawing a smile to her face as well . Bill Buchanan closed the door behind him , crossing the floor and plunking down into the chair in front of her desk . " Hi , " she greeted . Bill grinned . " Hey there .

Answer:

Bill Buchanan has an easy smile .



What is known about Bill Buchanan ?