Table: senate_polls_2010
Columns: poll_source
date_s_administered
sample_size
margin_of_error
joe_sestak_d
pat_toomey_r
other
undecided

Question: WHAT CANDIDATE HAD A MARGIN OF ERROR OF ± 4.5%, WHEN PAT TOOMEY WAS 45% AND JOE SESTAK WAS 38%?
SQL: SELECT "other" FROM senate_polls_2010 WHERE "margin_of_error" = '± 4.5%' AND "pat_toomey_r" = '45%' AND "joe_sestak_d" = '38%'

Question: WHAT DATE DID JOE SESTAK HAVE 46% WITH ± 3.0% MARGIN OF ERROR?
SQL: SELECT "date_s_administered" FROM senate_polls_2010 WHERE "joe_sestak_d" = '46%' AND "margin_of_error" = '± 3.0%'