SELECT DISTINCT Country FROM manager
SELECT DISTINCT Country FROM manager <table_name> : manager col : Manager_ID | Name | Country | Working_year_starts | Age | Level row 1 : 1 | Ben Curtis | United States | 2003 | 45 | 5 row 2 : 2 | Todd Hamilton | United States | 2004 | 55 | 5 row 3 : 3 | Tiger Woods | United States | 2006 | 46 | 5 row 4 : 4 | David Duval | United States | 2001 | 47 | 7 row 5 : 5 | Sandy Lyle | Scotland | 1985 | 48 | 8 row 6 : 6 | Nick Faldo | England | 1999 | 51 | 11 row 7 : 7 | Greg Norman | Australia | 1993 | 52 | 12
col : Country row 1 : United States row 2 : Scotland row 3 : England row 4 : Australia