Question: How many times has the man who led the league in assists in the 2011-2012 NBA season been an NBA All-star so far?

Related documents: [0]  [DOC] The 2011–12 Boston Celtics season was the 66th season of the franchise in the National Basketball Association (NBA). The Boston Celtics finished the regular season with a 39–27 won-loss record, which was the 4th best in the East, winning their 21st Atlantic Division title. Their longest winning and losing streaks were 5 games. The leading scorer was Paul Pierce, averaging 19.4 PPG. The leading rebounder was Kevin Garnett (8.2 RPG). Rajon Rondo led the team and the league in assists per-game with 11.7. The regular season was reduced from its usual 82 games to 66 due to the lockout. The Celtics made a relatively deep playoff run, challenging the Miami Heat in the Eastern Conference Finals. They ultimately lost in seven games. Following the season, Ray Allen left for the Heat, effectively ending the Big 3 era in Boston. [END] 
[1]  [DOC] Rajon Pierre Rondo (born February 22, 1986) is an American professional basketball player for the New Orleans Pelicans of the National Basketball Association (NBA). He is a four-time NBA All-Star, and a four-time NBA All-Defensive Team member. He also led the NBA in steals during the 2009–10 season, and assists during the 2011–12, 2012–13 and 2015–16 seasons. He began his professional career with the Boston Celtics, winning an NBA championship in 2008. He ranks fourth in Celtic history in assists, and third in steals. He briefly played for the Dallas Mavericks during the 2014–15 season before joining the Sacramento Kings in 2015 and the Chicago Bulls in 2016. [END]  
Answer: four-time
four-time