CREATE TABLE table_25251 ("Stage" FLOAT, "Winner" CLOB, "General Classification" CLOB, "Mountains Classification" CLOB, "Sprint Classification" CLOB, "Team Classification" CLOB)

Name the sprint classification being alejandro valverde
SELECT "Sprint Classification" FROM table_25251 WHERE "Winner" = 'Alejandro Valverde'
SELECT "Sprint Classification" FROM "table_25251" WHERE "Winner" = 'Alejandro Valverde'