Question:
Who was the owner of Interchange in Feb, 2018?

Context:
 Interchange is owned by Edgar Kaufmann, Jr. from Jan, 1956 to Jan, 1989. 
 Interchange is owned by David Geffen from Jan, 1990 to Jan, 2015. 
 Interchange is owned by Kenneth C. Griffin from Jan, 2015 to Dec, 2022.

Answer:
Question:
Who was the owner of Interchange in Feb, 2018?

Context:
 Interchange is owned by Edgar Kaufmann, Jr. from Jan, 1956 to Jan, 1989. 
 Interchange is owned by David Geffen from Jan, 1990 to Jan, 2015. 
 Interchange is owned by Kenneth C. Griffin from Jan, 2015 to Dec, 2022.

Answer:
user
Kenneth C. Griffin
assistant
Question:
Who was the owner of Interchange in Feb, 2018?

Context:
 Interchange is owned by Edgar Kaufmann, Jr. from Jan, 1956 to Jan, 1989. 
 Interchange is owned by David Geffen from Jan, 1990 to Jan, 2015. 
 Interchange is owned by Kenneth C. Griffin from Jan, 2015 to Dec, 2022.

Answer:
user
David Geffen
Edgar Kaufmann, Jr.
assistant
Question:
Who was the owner of Interchange in Feb, 2018?

Context:
 Interchange is owned by Edgar Kaufmann, Jr. from Jan, 1956 to Jan, 1989. 
 Interchange is owned by David Geffen from Jan, 1990 to Jan, 2015. 
 Interchange is owned by Kenneth C. Griffin from Jan, 2015 to Dec, 2022.

Answer:
user
Kenneth C. Griffin
assistant