CREATE TABLE "qualifying_results" (
  "name" text,
  "team" text,
  "qual_1" text,
  "qual_2" text,
  "best" real
);

Question: Who had the lowest Best time that also had a Qual 2 of 49.887?
SQL: SELECT MIN("best") FROM "qualifying_results" WHERE "qual_2"='49.887';

Question: What was CTE Racing-hvm's Best with a Qual 2 of 50.312?
SQL: SELECT "best" FROM "qualifying_results" WHERE "team"='cte racing-hvm' AND "qual_2"='50.312';