CREATE TABLE "new_hampshire_counties_ranked_by_per_cap" (
  "county" text,
  "per_capita_income" text,
  "median_household_income" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);

Question: When the county is Carroll what is the lowest population?
SQL: SELECT MIN("population") FROM "new_hampshire_counties_ranked_by_per_cap" WHERE "county"='carroll';

Question: When the Per capita income is $29,194, what is the average population?
SQL: SELECT AVG("population") FROM "new_hampshire_counties_ranked_by_per_cap" WHERE "per_capita_income"='$29,194';

Question: When the population is greater than 146,445 in the county of Carroll, what is the number of households?
SQL: SELECT SUM("number_of_households") FROM "new_hampshire_counties_ranked_by_per_cap" WHERE "population">'146,445' AND "county"='carroll';