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

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

Question: What's the rank if the time was 5:54.57 and FB in notes?
SQL: SELECT "rank" FROM "semifinal_a_b_2" WHERE "notes"='fb' AND "time"='5:54.57';

Question: Who are the rowers with the time of 5:54.57?
SQL: SELECT "rowers" FROM "semifinal_a_b_2" WHERE "time"='5:54.57';

Question: What are the notes of the United States?
SQL: SELECT "notes" FROM "semifinal_a_b_2" WHERE "country"='united states';