user: Question: Which RoweRs RepResented Portugal and had notes of R?
Columns: ['Rank', 'Rowers', 'Country', 'Time', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Storm Uru , Peter Taylor', 'New Zealand', '6:16.78', 'SA/B']
SQL:

assistant: SELECT "Rowers" FROM "Table" WHERE "Notes" = 'R' AND "Country" = 'Portugal';