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