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_15294880_2 (team_classification VARCHAR, winner VARCHAR)
### Question:
When the winner was Alessandro Ballan, how many total team classifications were there?
### Answer:
SELECT COUNT(team_classification) FROM table_15294880_2 WHERE winner = "Alessandro Ballan"