CREATE TABLE "table1_21977627_1" (
  "no" real,
  "driver" text,
  "entrant" text,
  "constructor" text,
  "chassis" text,
  "engine" text
);

Question: The Maserati 4cl's minimum no was?
SQL: SELECT MIN("no") FROM "table1_21977627_1" WHERE "chassis"='Maserati 4CL';

Question: How many entrants was yves giraud-cabantous?
SQL: SELECT COUNT("entrant") FROM "table1_21977627_1" WHERE "driver"='Yves Giraud-Cabantous';

Question: What chasis did the maserati l6s have?
SQL: SELECT "chassis" FROM "table1_21977627_1" WHERE "engine"='Maserati L6s';

Question: How many drivers did Bob Gerard Racing have?
SQL: SELECT COUNT("driver") FROM "table1_21977627_1" WHERE "entrant"='Bob Gerard Racing';