user: Question: What is W/m², when η (%) is greater than 16.5, and when Technology is MJ?
Columns: ['Technology', 'η (%)', 'V OC (V)', 'I SC (A)', 'W/m²', 't (µm)']
Types: ['text', 'real', 'text', 'text', 'text', 'real']
Sample row: ['u c-Si', 24.7, '0.5', '0.8', '63', 100.0]
SQL:

assistant: SELECT "W/m²" FROM "Table" WHERE "η (%)" > 16.5 AND "Technology" = 'MJ';