user: Question: Which Comments has a Length Over All of 4.5m?
Columns: ['Model', 'Length Over All', 'Beam', 'Sail Area', 'Crew', 'Comments']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['14sq', '4.5m', '2.44', '14m²', '1', 'Daggerboards']
SQL:

assistant: SELECT "Comments" FROM "Table" WHERE "Length Over All" = '4.5m';