CREATE TABLE table_27788 ("Stage" FLOAT, "Winner" TEXT, "General Classification" TEXT, "Mountains Classification" TEXT, "Sprint Classification" TEXT, "Young Rider Classification" TEXT, "Team Classification" TEXT, "Aggressive Rider" TEXT)

Who was the aggressive rider when the winner was luis le n s nchez?
SELECT "Aggressive Rider" FROM table_27788 WHERE "Winner" = 'Luis León Sánchez'
SELECT "Aggressive Rider" FROM "table_27788" WHERE "Winner" = 'Luis León Sánchez'