CREATE TABLE table_26010857_13 (stage VARCHAR, teams_classification VARCHAR)

What is the number of stages where the teams classification leader is Cerv lo Testteam?
SELECT COUNT(stage) FROM table_26010857_13 WHERE teams_classification = "Cervélo TestTeam"
SELECT COUNT("stage") FROM "table_26010857_13" WHERE "Cervélo TestTeam" = "teams_classification"