What is the fine-grained topic of the following text: During his 25 years with Shakespeare Theatre Company, artistic director Michael Kahn has given Penn Quarter two new venues: the 451-seat Lansburgh Theatre (450 Seventh St., NW) and the 775-seat Sidney Harman Hall (610 F St., NW; 202-547-1122). Only return the topic.
Michael Kahn's contributions to Shakespeare Theatre Company