What is the number of the station in Suzuka that is smaller than 11.1 km and has an l stop?
CREATE TABLE "stations" (
  "number" real,
  "station" text,
  "japanese" text,
  "distance_km" real,
  "stop" text,
  "location" text
);
SELECT SUM("number") FROM "stations" WHERE "location"='suzuka' AND "distance_km"<11.1 AND "stop"='l';