question: What team classification has alejandro valverde as points classification, with alejandro valverde as the winner, with 3 as the stage?
answer: SELECT team_classification FROM table_name_26 WHERE points_classification = "alejandro valverde" AND winner = "alejandro valverde" AND stage = "3"
context: CREATE TABLE table_name_26 (team_classification VARCHAR, stage VARCHAR, points_classification VARCHAR, winner VARCHAR)