CREATE TABLE "complete_formula_one_results" (
  "year" real,
  "chassis" text,
  "engine" text,
  "tyres" text,
  "points" real
);

Question: Tell me the average points with tyres of b and chassis of tf109
SQL: SELECT AVG("points") FROM "complete_formula_one_results" WHERE "tyres"='b' AND "chassis"='tf109';

Question: Tell me the total number of points with chassis of tf103
SQL: SELECT COUNT("points") FROM "complete_formula_one_results" WHERE "chassis"='tf103';