Question: In what city, commonly referred to as "the District", showed a play from January 19-24, 1931 at the National Theatre entitled Green Grow the Lilacs? 
Sentence (from "Green Grow the Lilacs (play)"): It also played January 19–24, 1931, at the National Theatre in Washington, D.C. The play is the basis of the 1943 musical "Oklahoma!
Relevant evidence: Yes