CREATE TABLE "polling" (
  "poll_source" text,
  "date_s_administered" text,
  "sample_size" real,
  "margin_of_error" text,
  "joe_sestak_d" text,
  "pat_toomey_r" text,
  "other" text,
  "undecided" text
);

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 "polling" 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 "polling" WHERE "joe_sestak_d"='46%' AND "margin_of_error"='± 3.0%';