CREATE TABLE "semifinal_1" (
  "rank" real,
  "lane" real,
  "name" text,
  "nationality" text,
  "time" text
);

Question: What was Stéphan Perrot rank average?
SQL: SELECT AVG("rank") FROM "semifinal_1" WHERE "name"='stéphan perrot';

Question: What was Maxim Podoprigora's lowest rank?
SQL: SELECT MIN("rank") FROM "semifinal_1" WHERE "name"='maxim podoprigora';