user: Question: What is Nationality, when Position is "G", and when Pick is Greater than 26?
Columns: ['Round', 'Pick', 'Player', 'Position', 'Nationality', 'School/Club Team']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 2.0, 'Sam Bowie', 'F/C', 'United States', 'Kentucky']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Position" = 'G' AND "Pick" > 26.0;