Question:
Who was the owner of de Havilland Canada in Apr, 1951?

Context:
 de Havilland Canada is owned by De Havilland from Mar, 1928 to Jan, 1963. 
 de Havilland Canada is owned by Hawker Siddeley from Jan, 1963 to Jan, 1974. 
 de Havilland Canada is owned by Boeing from Jan, 1986 to Jan, 1992. 
 de Havilland Canada is owned by Government of Canada from Jan, 1974 to Jan, 1986. 
 de Havilland Canada is owned by Longview Aviation Capital from Jan, 2019 to Dec, 2022.

Answer:
Question:
Who was the owner of de Havilland Canada in Apr, 1951?

Context:
 de Havilland Canada is owned by De Havilland from Mar, 1928 to Jan, 1963. 
 de Havilland Canada is owned by Hawker Siddeley from Jan, 1963 to Jan, 1974. 
 de Havilland Canada is owned by Boeing from Jan, 1986 to Jan, 1992. 
 de Havilland Canada is owned by Government of Canada from Jan, 1974 to Jan, 1986. 
 de Havilland Canada is owned by Longview Aviation Capital from Jan, 2019 to Dec, 2022.

Answer:
user
De Havilland
assistant
Question:
Who was the owner of de Havilland Canada in Apr, 1951?

Context:
 de Havilland Canada is owned by De Havilland from Mar, 1928 to Jan, 1963. 
 de Havilland Canada is owned by Hawker Siddeley from Jan, 1963 to Jan, 1974. 
 de Havilland Canada is owned by Boeing from Jan, 1986 to Jan, 1992. 
 de Havilland Canada is owned by Government of Canada from Jan, 1974 to Jan, 1986. 
 de Havilland Canada is owned by Longview Aviation Capital from Jan, 2019 to Dec, 2022.

Answer:
user
Longview Aviation Capital
Boeing
Government of Canada
Hawker Siddeley
assistant
Question:
Who was the owner of de Havilland Canada in Apr, 1951?

Context:
 de Havilland Canada is owned by De Havilland from Mar, 1928 to Jan, 1963. 
 de Havilland Canada is owned by Hawker Siddeley from Jan, 1963 to Jan, 1974. 
 de Havilland Canada is owned by Boeing from Jan, 1986 to Jan, 1992. 
 de Havilland Canada is owned by Government of Canada from Jan, 1974 to Jan, 1986. 
 de Havilland Canada is owned by Longview Aviation Capital from Jan, 2019 to Dec, 2022.

Answer:
user
De Havilland
assistant