CREATE TABLE "indy_500_results" (
  "year" text,
  "start" text,
  "qual" text,
  "rank" text,
  "finish" text,
  "laps" real
);

Question: How many laps did Duke Nelson complete when his qualifying time was 122.951?
SQL: SELECT SUM("laps") FROM "indy_500_results" WHERE "qual"='122.951';

Question: How many laps did Duke Nelson complete when his qualifying time was 136.498?
SQL: SELECT MAX("laps") FROM "indy_500_results" WHERE "qual"='136.498';