Table:
text: Sports in St. Louis
Former teams
Former teams
Team Sport League Established Began_in_St_Louis Venue Championships_in_St_Louis Left_St_Louis
St. Louis Hawks Basketball National Basketball Association 1946 1955 Kiel Auditorium 1 (1958) 1968
St. Louis Bombers Basketball National Basketball Association 1946 1950 St. Louis Arena 0 1950
St. Louis Cardinals Football National Football League 1898 1960 Busch Stadium 0 1988
St. Louis All Stars Football National Football League 1923 1923 Sportsman`s Park 0 1923
St. Louis Gunners Football National Football League 1931 1931 St. Louis National Guard Armory 0 1934
Missouri River Otters Hockey United Hockey League 1991 1999 Family Arena 0 2006
St. Louis Eagles Hockey National Hockey League 1917 1934 St. Louis Arena 0 1936

Question: How many championships did the team that started playing sports in St. Louis in 1950 win?