CREATE TABLE table_name_28 (team_classification VARCHAR, combination_classification VARCHAR, winner VARCHAR)

Which Team classification has a Combination classification of egoi mart nez, and a Winner of tom boonen?
SELECT team_classification FROM table_name_28 WHERE combination_classification = "egoi martínez" AND winner = "tom boonen"
SELECT "team_classification" FROM "table_name_28" WHERE "combination_classification" = "egoi martínez" AND "tom boonen" = "winner"