user: Question: What is NiCd, when Type is "Capacity under 500mA constant drain"?
Columns: ['Type', 'Zinc–carbon', 'Alkaline', 'Li-FeS 2', 'NiCd', 'NiMH']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['IEC name', 'R6', 'LR6', 'FR6', 'KR6', 'HR6']
SQL:

assistant: SELECT "NiCd" FROM "Table" WHERE "Type" = 'Capacity under 500mA constant drain';