CREATE TABLE "race_6a_lightweight_manx_grand_prix" (
  "rank" real,
  "rider" text,
  "team" text,
  "speed" text,
  "time" text
);

Question: What is Brian Mateer's Speed?
SQL: SELECT "speed" FROM "race_6a_lightweight_manx_grand_prix" WHERE "rider"='brian mateer';

Question: What is the Rank of the Rider with a Speed of 111.072mph in Team 250CC Honda?
SQL: SELECT AVG("rank") FROM "race_6a_lightweight_manx_grand_prix" WHERE "team"='250cc honda' AND "speed"='111.072mph';