Table schema:
CREATE TABLE table_25005714_3 (config_core_1 VARCHAR, code_name VARCHAR, core_clock___mhz__ VARCHAR)

Question: What is the value for congi core 1 if the code name is Redwood and core clock(mhz) is 500?
SQL: SELECT config_core_1 FROM table_25005714_3 WHERE code_name = "Redwood" AND core_clock___mhz__ = "500"