Question: Which year was the firm founded that Teresa Wynn Roseborough used to be the Deputy General Counsel for?
Sentence (from "Robert S. Rivkin"): For a year prior to his appointment, he practiced law at Riley Safer Holmes & Cancila LLP, advising clients on aviation, rail, road and other transportation issues, internal investigations, white collar criminal defense, domestic and international business regulation, and commercial litigation.
Relevant evidence: No