user: Question: What is the location for the software of BIND and an IPv6 address of 2001:503:c27::2:30?
Columns: ['Letter', 'IPv6 address', 'AS-number', 'Operator', 'Location #sites (global/local)', 'Software']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['A', '2001:503:ba3e::2:30', 'AS19836', 'Verisign', 'Distributed using anycast 8/0', 'BIND']
SQL:

assistant: SELECT "Location #sites (global/local)" FROM "Table" WHERE "Software" = 'BIND' AND "IPv6 address" = '2001:503:c27::2:30';