user: Question: What is the highest Amerindian (Hispanic/Non-Hispanic) value having a Black (Hispanic/Non-Hispanic) of 15.7 and White (Hispanic/Non-Hispanic) over 69.5?
Columns: ['Municipality (2010)', 'White (both Hispanic and Non-Hispanic)', 'Black (Both Hispanic and Non-Hispanic)', 'Amerindian (Both Hispanic and Non-Hispanic)', 'n Asia (Both Hispanic and Non-Hispanic)', 'Multiracial (Both Hispanic and Non-Hispanic)', 'Hispanic (Of any Race)']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Adjuntas', 93.1, 3.1, 0.3, 0.0, 3.4, 99.6]
SQL:

assistant: SELECT MAX("Amerindian (Both Hispanic and Non-Hispanic)") FROM "Table" WHERE "Black (Both Hispanic and Non-Hispanic)" = 15.7 AND "White (both Hispanic and Non-Hispanic)" > 69.5;