CREATE TABLE table_name_17 (csa_4_16_09 VARCHAR2, opinionway_4_17_09 VARCHAR2)

Name the csa 4/16/09 for opinionway being 4/17/09 of 12%
SELECT csa_4_16_09 FROM table_name_17 WHERE opinionway_4_17_09 = "12%"
SELECT "csa_4_16_09" FROM "table_name_17" WHERE "12%" = "opinionway_4_17_09"