CREATE TABLE "czech_republic" (
  "seat" real,
  "series_1" text,
  "series_2" text,
  "series_3" text,
  "series_4" text
);

Question: What shows for series 4 when the seat shows 1?
SQL: SELECT "series_4" FROM "czech_republic" WHERE "seat"=1;

Question: What is the seat number when Series 3 shows Dana Bérová?
SQL: SELECT AVG("seat") FROM "czech_republic" WHERE "series_3"='dana bérová';