Table:
text: 1902 Michigan Wolverines football team
Varsity letter winners
Varsity letter winners
Player Position_ Games_started Hometown Height Weight Class_ Previous_experience
Charles B. Carter Right guard 10 Auburn, Maine 6` 0 231 Law `05 Brown Varsity (2 years)
William C. King Cole Right end Left tackle 4 3 Chicago, Illinois 5` 10½ 178 Law `05 Marietta College (2 years)
Herbert S. Graver Left end Quarterback Fullback Left halfback 2 1 1 1 Chicago, Illinois 5` 8¼ 162 Eng `04 Varsity (1 year)
George W. Gregory Center 11 Redding, California 5` 10-8/10 190 Law `04 Varsity (1 year)
Albert E. Herrnstein Right halfback 11 Chillicothe, Ohio 5` 10 168 Lit `03 Varsity (1 year)

Question: Herbert S. Graver, player of the 1902 Michigan Wolverines football team, has what position among the varsity charter winners?