Question:
Which position did Tip O'Neill hold in Mar, 1947?

Context:
 Tip O'Neill holds the position of United States representative from Jan, 1961 to Jan, 1963. 
 Tip O'Neill holds the position of Speaker of the Massachusetts House of Representatives from Jan, 1949 to Jan, 1953. 
 Tip O'Neill holds the position of member of the Massachusetts House of Representatives from Jan, 1947 to Jan, 1949. 
 Tip O'Neill holds the position of Speaker of the United States House of Representatives from Jan, 1977 to Jan, 1987.

Answer:
member of the Massachusetts House of Representatives