user: Question: When Cardboard Boxes is segment c what is segment a?
Columns: ['Series Ep.', 'Episode', 'Netflix', 'Segment A', 'Segment B', 'Segment C', 'Segment D']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['5-01', 53.0, 'S03E01', 'Paving Asphalt', 'Marshmallow Cookies', 's Loudspeaker', 'Electronic Door Locks']
SQL:

assistant: SELECT "Segment A" FROM "Table" WHERE "Segment C" = 'Cardboard Boxes';