user: Question: Who is in heat 5 from Guyana?
Columns: ['Heat', 'Lane', 'Name', 'Country', 'Mark']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 6.0, 'Dmitriy Bogdanov', 'Russia', '1:48.38']
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Heat" = 5.0 AND "Country" = 'Guyana';