user: ### NOW ANSWER:
Question: What Field was Commissioned in 1958, 2005?
Columns: ['Name', 'Location', 'Field', 'Capacity (MW)', 'Annual Generation (average GWh)', 'Commissioned']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Kawerau (BoPE)', 'Kawerau , Bay of Plenty', 'Kawerau', 6.3, '35', '1989, 1993']
SQL:

assistant: SELECT "Field" FROM "Table" WHERE "Commissioned" = '1958, 2005';