user: Question: Who was the designer for The Grapefruit Moon?
Columns: ['Restaurant Name', 'Original Name', 'Location', 'Chef', 'Designer', 'Still Open?']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Babelfish Bistro', 'N/A', 'Guelph, ON', 'David Adjey', 'Robin De Groot', 'Yes']
SQL:

assistant: SELECT "Designer" FROM "Table" WHERE "Restaurant Name" = 'The Grapefruit Moon';