Table schema:
CREATE TABLE table_name_49 (date_s__administered VARCHAR, joe_sestak__d_ VARCHAR, margin_of_error VARCHAR)

Question: WHAT DATE DID JOE SESTAK HAVE 46% WITH ± 3.0% MARGIN OF ERROR?
SQL: SELECT date_s__administered FROM table_name_49 WHERE joe_sestak__d_ = "46%" AND margin_of_error = "± 3.0%"