Question: How many years did the manager that George Staller served as first base coach for manage the Baltimore Orioles?
Sentence (from "George Staller"): He served as first base coach on Earl Weaver's Baltimore Orioles staff from July 11, 1968, through 1975, working on the Orioles' three consecutive American League championship teams (1969, 1970 and 1971) and Baltimore's 1970 World Series champion.
Relevant evidence: Yes