CREATE TABLE table_name_21 (winning_team VARCHAR, most_laps_led VARCHAR)

What is Winning Team, when Most Laps Led is Alex Tagliani?
SELECT winning_team FROM table_name_21 WHERE most_laps_led = "alex tagliani"
SELECT "winning_team" FROM "table_name_21" WHERE "alex tagliani" = "most_laps_led"