Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_35397 ( "Region" text, "Employment ( salaries & wages)" text, "Self employed" text, "Investment income" text, "Working tax credit" text, "State pensions" text, "Occupational pensions" text, "Disability benefits" text, "Other social security benefits" text, "Other income sources" text )

### Question ###
Occupational pensions of 7%, and a Working tax credit of 2%, and a Other social security benefits of 6% has what investment income?

### Accurate SQL ###

SELECT "Investment income" FROM table_35397 WHERE "Occupational pensions" = '7%' AND "Working tax credit" = '2%' AND "Other social security benefits" = '6%'