CREATE TABLE "averages" (
  "city" text,
  "january_avg_high_f" text,
  "january_avg_low_f" text,
  "july_avg_high_f" real,
  "july_avg_low_f" real
);

Question: What city had a july high below 84, and a january low of 34.3?
SQL: SELECT "city" FROM "averages" WHERE "july_avg_high_f"<84 AND "january_avg_low_f"='34.3';

Question: What is the july average low associated with a january average high of 30.4?
SQL: SELECT COUNT("july_avg_low_f") FROM "averages" WHERE "january_avg_high_f"='30.4';