Question: Which Viavoice 5/15/09 has a CSA 5/14/09 of 5%, and a TNS-Sofres 5/28/09 of 4.5%?
SQL: SELECT viavoice_5_15_09 FROM table_name_96 WHERE csa_5_14_09 = "5%" AND tns_sofres_5_28_09 = "4.5%"