CREATE TABLE "table1_23294081_10" (
  "no" real,
  "num" real,
  "original_airdate" text,
  "performer_1" text,
  "performer_2" text,
  "performer_3" text,
  "performer_4" text
);

Question: What was the date that the episode with Jeff Davis as the second performer originally aired?
SQL: SELECT "original_airdate" FROM "table1_23294081_10" WHERE "performer_2"='Jeff Davis';

Question: How many episodes were series episode 214?
SQL: SELECT COUNT("num") FROM "table1_23294081_10" WHERE "no"=214;