CREATE TABLE table_71759 ("Date" FLOAT, "Category" TEXT, "Team" TEXT, "Rider 1" TEXT, "Rider 2" TEXT)

Which category has a team of Cannondale Vredestein?
SELECT "Category" FROM table_71759 WHERE "Team" = 'cannondale vredestein'
SELECT "Category" FROM "table_71759" WHERE "Team" = 'cannondale vredestein'