user: Question: Which items in segment A have a segment D of Marble Sculptures?
Columns: ['Series Ep.', 'Episode', 'Segment A', 'Segment B', 'Segment C', 'Segment D']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['13-01', 157.0, 'Hammers', 'Swiss Cheese', 'Roller Skates', 'Coloured Pencils']
SQL:

assistant: SELECT "Segment A" FROM "Table" WHERE "Segment D" = 'Marble Sculptures';