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 "2-16948973-4" 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 "2-16948973-4" WHERE "Joe Sestak (D)" = '46%' AND "Margin of error" = '± 3.0%';