Question: Which one of the teams that Charles Jones played for entered the league as an expansion team in 1970?
Sentence (from "Portland Trail Blazers"): The franchise entered the league as an expansion team in 1970, and has enjoyed a strong following: from 1977 through 1995, the team sold out 814 consecutive home games, the longest such streak in American major professional sports at the time, and only since surpassed by the Boston Red Sox.
Relevant evidence: Yes