Context: During the latter half of the 20th century, Washington University transitioned from a strong regional university to a national research institution. In 1957, planning began for the construction of the “South 40,” a complex of modern residential halls. With the additional on-campus housing, Washington University, which had been predominantly a “streetcar college” of commuter students, began to attract a more national pool of applicants. By 1964, over two-thirds of incoming students came from outside the St. Louis area.

Question: When did Washington University begin construction of a complex of residential halls?
Answer: 1957

Question: What name was given to the new residential complex constructed at Washington University?
Answer: South 40

Question: How did the construction of the new residential complex at Washington University affect the student population?
Answer: began to attract a more national pool of applicants

Question: What proportion of students at Washington University came from outside the St. Louis area by 1964?
Answer: over two-thirds

Question: When did Washington University transition to a national research institution?
Answer: During the latter half of the 20th century,

Question: In what year did construction start on the "South 40"?
Answer: Unanswerable

Question: In what year was construction completed on the "South 40"?
Answer: Unanswerable

Question: What percentage of incoming students came from outside the St. Louis area in 1957?
Answer: Unanswerable

Question: In what type of housing did the commuter students live in?
Answer: Unanswerable