How many years are listed under joined for the Nor'easters?
CREATE TABLE table_1973729_1 (joined VARCHAR, nickname VARCHAR)
SELECT COUNT(joined) FROM table_1973729_1 WHERE nickname = "Nor'easters"
### Context: CREATE TABLE table_1973729_1 (joined VARCHAR, nickname VARCHAR) ### Question: How many years are listed under joined for the Nor'easters? ### Answer: SELECT COUNT(joined) FROM table_1973729_1 WHERE nickname = "Nor'easters"