user: Question: How much tonnage Tonnage (GRT) has a Nationality of united kingdom, and a Date of 27 june 1941?
Columns: ['Date', 'Name', 'Nationality', 'Tonnage (GRT)', 'Fate']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['24 June 1941', 'Kongsgaard', 'Norway', 9467.0, 'Damaged']
SQL:

assistant: SELECT "Tonnage (GRT)" FROM "Table" WHERE "Nationality" = 'united kingdom' AND "Date" = '27 june 1941';