CREATE TABLE table_name_42 (winning_team VARCHAR2, site VARCHAR2, date VARCHAR2)

Which winning team has Iowa city as the site, and december 3, 2006 as the date?
SELECT winning_team FROM table_name_42 WHERE site = "iowa city" AND date = "december 3, 2006"
SELECT "winning_team" FROM "table_name_42" WHERE "date" = "december 3, 2006" AND "iowa city" = "site"