Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_28243691_2 (founded VARCHAR, team_nickname VARCHAR)
### Question:
In how many different years was the team nicknamed Comets founded?
### Answer:
SELECT COUNT(founded) FROM table_28243691_2 WHERE team_nickname = "Comets"