Table:
text: List of Boston Celtics seasons
Seasons
Seasons
Season Conf_ Conf_finish Div_ Div_Finish Head_coach
1982–83 Eastern 3rd # Atlantic 2nd Bill Fitch
1983–84 Eastern * 1st * Atlantic ^ 1st ^ K. C. Jones
1984–85 Eastern * 1st * Atlantic ^ 1st ^ K. C. Jones
1985–86 Eastern * 1st * Atlantic ^ 1st ^ K. C. Jones
1986–87 Eastern * 1st * Atlantic ^ 1st ^ K. C. Jones
1987–88 Eastern 1st # Atlantic ^ 1st ^ K. C. Jones
1988–89 Eastern 8th # Atlantic 3rd Jimmy Rodgers
1989–90 Eastern 4th # Atlantic 2nd Jimmy Rodgers
1990–91 Eastern 2nd # Atlantic ^ 1st ^ Chris Ford
1991–92 Eastern 2nd # Atlantic ^ 1st ^ Chris Ford

Question: What is the name of the conference in List of Boston Celtics Seasons where KC Jones was the head coach?