user: Question: Occupational pensions of 7%, and a Working tax credit of 2%, and a Other social security benefits of 6% has what investment income?
Columns: ['Region', 'Employment ( salaries & wages)', 'Self employed', 'Investment income', 'Working tax credit', 'State pensions', 'Occupational pensions', 'Disability benefits', 'Other social security benefits', 'Other income sources']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['UK', '64%', '11%', '2%', '1%', '6%', '7%', '2%', '5%', '2%']
SQL:

assistant: SELECT "Investment income" FROM "Table" WHERE "Occupational pensions" = '7%' AND "Working tax credit" = '2%' AND "Other social security benefits" = '6%';