CREATE TABLE "semifinal_a_b_2" (
  "rank" real,
  "athlete" text,
  "country" text,
  "time" text,
  "notes" text
);

Question: What country is ranked number 4?
SQL: SELECT "country" FROM "semifinal_a_b_2" WHERE "rank"=4;

Question: What are the notes from the rank of 1?
SQL: SELECT "notes" FROM "semifinal_a_b_2" WHERE "rank"=1;