Question:
Who was the owner of Portrait of a foreign admiral in Aug, 1989?

Context:
 Portrait of a foreign admiral is owned by Columbia University from Jan, 1958 to Jan, 1974. 
 Portrait of a foreign admiral is owned by Barbara Piasecka Johnson from May, 1983 to Dec, 2009. 
 Portrait of a foreign admiral is owned by John Seward Johnson I from Jan, 1974 to May, 1983. 
 Portrait of a foreign admiral is owned by Huntington Hartford from Jan, 1939 to Jan, 1958.

Answer:
Question:
Who was the owner of Portrait of a foreign admiral in Aug, 1989?

Context:
 Portrait of a foreign admiral is owned by Columbia University from Jan, 1958 to Jan, 1974. 
 Portrait of a foreign admiral is owned by Barbara Piasecka Johnson from May, 1983 to Dec, 2009. 
 Portrait of a foreign admiral is owned by John Seward Johnson I from Jan, 1974 to May, 1983. 
 Portrait of a foreign admiral is owned by Huntington Hartford from Jan, 1939 to Jan, 1958.

Answer:
user
Barbara Piasecka Johnson
assistant
Question:
Who was the owner of Portrait of a foreign admiral in Aug, 1989?

Context:
 Portrait of a foreign admiral is owned by Columbia University from Jan, 1958 to Jan, 1974. 
 Portrait of a foreign admiral is owned by Barbara Piasecka Johnson from May, 1983 to Dec, 2009. 
 Portrait of a foreign admiral is owned by John Seward Johnson I from Jan, 1974 to May, 1983. 
 Portrait of a foreign admiral is owned by Huntington Hartford from Jan, 1939 to Jan, 1958.

Answer:
user
Columbia University
Huntington Hartford
John Seward Johnson I
assistant
Question:
Who was the owner of Portrait of a foreign admiral in Aug, 1989?

Context:
 Portrait of a foreign admiral is owned by Columbia University from Jan, 1958 to Jan, 1974. 
 Portrait of a foreign admiral is owned by Barbara Piasecka Johnson from May, 1983 to Dec, 2009. 
 Portrait of a foreign admiral is owned by John Seward Johnson I from Jan, 1974 to May, 1983. 
 Portrait of a foreign admiral is owned by Huntington Hartford from Jan, 1939 to Jan, 1958.

Answer:
user
Barbara Piasecka Johnson
assistant