Table schema:
CREATE TABLE table_name_52 (opinionway_5_18_09 VARCHAR, ipsos_5_16_09 VARCHAR)

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