Question: In which division did this team, that was defeated by the Dallas Mavericks in 6 games in the 2011 National Basketball Association (NBA) finals, finish first in the regular season?
Sentence (from "2010–11 Miami Heat season"): In the regular season, the Heat finished first in the Southeast Division with 58–24 record, and made the NBA Playoffs for the 3rd consecutive year as the Eastern Conference's No. 2 seed (behind the Chicago Bulls).
Relevant evidence: Yes