Question:
Which position did Pierson Dixon hold in Mar, 1958?

Context:
 Pierson Dixon holds the position of Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs from Jan, 1943 to Jan, 1948. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to France from Jan, 1960 to Jan, 1965. 
 Pierson Dixon holds the position of Permanent Representative of the United Kingdom to the United Nations, New York from Jan, 1954 to Jan, 1960. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to Czechoslovakia from Jan, 1948 to Jan, 1950.

Answer:
Question:
Which position did Pierson Dixon hold in Mar, 1958?

Context:
 Pierson Dixon holds the position of Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs from Jan, 1943 to Jan, 1948. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to France from Jan, 1960 to Jan, 1965. 
 Pierson Dixon holds the position of Permanent Representative of the United Kingdom to the United Nations, New York from Jan, 1954 to Jan, 1960. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to Czechoslovakia from Jan, 1948 to Jan, 1950.

Answer:
user
Permanent Representative of the United Kingdom to the United Nations, New York
assistant
Question:
Which position did Pierson Dixon hold in Mar, 1958?

Context:
 Pierson Dixon holds the position of Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs from Jan, 1943 to Jan, 1948. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to France from Jan, 1960 to Jan, 1965. 
 Pierson Dixon holds the position of Permanent Representative of the United Kingdom to the United Nations, New York from Jan, 1954 to Jan, 1960. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to Czechoslovakia from Jan, 1948 to Jan, 1950.

Answer:
user
ambassador of the United Kingdom to Czechoslovakia
Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs
ambassador of the United Kingdom to France
assistant
Question:
Which position did Pierson Dixon hold in Mar, 1958?

Context:
 Pierson Dixon holds the position of Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs from Jan, 1943 to Jan, 1948. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to France from Jan, 1960 to Jan, 1965. 
 Pierson Dixon holds the position of Permanent Representative of the United Kingdom to the United Nations, New York from Jan, 1954 to Jan, 1960. 
 Pierson Dixon holds the position of ambassador of the United Kingdom to Czechoslovakia from Jan, 1948 to Jan, 1950.

Answer:
user
Permanent Representative of the United Kingdom to the United Nations, New York
assistant