Who led team classification during the stage whose winner was Chris Horner?
CREATE TABLE table_26257223_13 (team_classification VARCHAR, winner VARCHAR)
SELECT team_classification FROM table_26257223_13 WHERE winner = "Chris Horner"
### Context: CREATE TABLE table_26257223_13 (team_classification VARCHAR, winner VARCHAR) ### Question: Who led team classification during the stage whose winner was Chris Horner? ### Answer: SELECT team_classification FROM table_26257223_13 WHERE winner = "Chris Horner"