CREATE TABLE table_name_52 (opinionway_5_18_09 VARCHAR, ipsos_5_16_09 VARCHAR)

Which OpinionWay 5/18/09 has an Ipsos 5/16/09 of 11%?
SELECT opinionway_5_18_09 FROM table_name_52 WHERE ipsos_5_16_09 = "11%"
SELECT "opinionway_5_18_09" FROM "table_name_52" WHERE "11%" = "ipsos_5_16_09"