Do you like the Boston Celtics ? They are my favorite American professional basketball team
I don't dislike them. Why are they your favorite?
The Celtics are one of the most successful in NBA history, but that is not the only reason they are my favorite. 
Wow, how many championships do they have on their record?
17. I have the fondest memories of watching Celtics games with my grandpa and spending that quality time. He taught me all about them. And his love for Boston too 
That's pretty amazing. Did he grow up in Boston?
Cowens and Larry Bird) have won the NBA Most Valuable Player Award for an NBA record total of 10 MVP awards. Both the nickname "Celtics" and their mascot "Lucky the Leprechaun" are a nod to Boston's historically large Irish population.
The Celtics' rise to dominance began in the late 1950s, after acquiring center Bill Russell in a draft day trade in 1956, who would become the cornerstone of the Celtics dynasty. Led by Russell and superstar point guard Bob Cousy, the Celtics won their first NBA
Boston Celtics
The Boston Celtics are an American professional basketball team based in Boston, Massachusetts. The Celtics compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Atlantic Division. Founded in 1946 as one of the league's original eight teams, the team play their home games at TD Garden, which they share with the National Hockey League (NHL)'s Boston Bruins. The Celtics are one of the most successful teams in NBA history; the franchise has won the most championships in