Question:
Which position did Rufus Choate hold in Jan, 1853?

Context:
 Rufus Choate holds the position of United States representative from Mar, 1831 to Jun, 1834. 
 Rufus Choate holds the position of United States senator from Mar, 1843 to Mar, 1845. 
 Rufus Choate holds the position of board member from Aug, 1846 to Jan, 1855. 
 Rufus Choate holds the position of Massachusetts Attorney General from Jan, 1853 to Jan, 1854.

Answer:
Question:
Which position did Rufus Choate hold in Jan, 1853?

Context:
 Rufus Choate holds the position of United States representative from Mar, 1831 to Jun, 1834. 
 Rufus Choate holds the position of United States senator from Mar, 1843 to Mar, 1845. 
 Rufus Choate holds the position of board member from Aug, 1846 to Jan, 1855. 
 Rufus Choate holds the position of Massachusetts Attorney General from Jan, 1853 to Jan, 1854.

Answer:
user
board member
assistant
Question:
Which position did Rufus Choate hold in Jan, 1853?

Context:
 Rufus Choate holds the position of United States representative from Mar, 1831 to Jun, 1834. 
 Rufus Choate holds the position of United States senator from Mar, 1843 to Mar, 1845. 
 Rufus Choate holds the position of board member from Aug, 1846 to Jan, 1855. 
 Rufus Choate holds the position of Massachusetts Attorney General from Jan, 1853 to Jan, 1854.

Answer:
user
United States senator
United States representative
assistant
Question:
Which position did Rufus Choate hold in Jan, 1853?

Context:
 Rufus Choate holds the position of United States representative from Mar, 1831 to Jun, 1834. 
 Rufus Choate holds the position of United States senator from Mar, 1843 to Mar, 1845. 
 Rufus Choate holds the position of board member from Aug, 1846 to Jan, 1855. 
 Rufus Choate holds the position of Massachusetts Attorney General from Jan, 1853 to Jan, 1854.

Answer:
user
board member
assistant