Question: What is the name of the grass-covered field and common space at the center of the college located in the rural town of Hanover in the Upper Valley of the Connecticut River in New Hampshire?
Sentence (from "Campus of Dartmouth College"): Dartmouth's 269 acre campus centered on The Green makes the institution the largest private landowner of the town of Hanover, and its landholdings and facilities are valued at an estimated $419 million.
Relevant evidence: No