CREATE TABLE table_name_17 (csa_4_16_09 VARCHAR(255), opinionway_4_17_09 VARCHAR(255))
Name the csa 4/16/09 for opinionway being 4/17/09 of 12%
    
SQL: SELECT csa_4_16_09 FROM table_name_17 WHERE opinionway_4_17_09 = "12%"