user: Question: Tell me the average launced for capacity mln tpa of 15,0
Columns: ['Name', 'Location', 'Launched', 'Acquired', 'Capacity, mln tpa']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Lukoil-Nizhegorodnefteorgsintez', 'Kstovo', 1958.0, '2000', '15,0']
SQL:

assistant: SELECT AVG("Launched") FROM "Table" WHERE "Capacity, mln tpa" = '15,0';