CREATE TABLE "nevada_places_ranked_by_per_capita_incom" (
  "rank" real,
  "place" text,
  "county" text,
  "per_capita_income" text,
  "median_house_hold_income" text,
  "population" real,
  "number_of_households" real
);

Question:  how many county with per capita income being $20,101
SQL: SELECT COUNT("county") FROM "nevada_places_ranked_by_per_capita_incom" WHERE "per_capita_income"='$20,101';

Question: who is the the place with per capita income being $14,793
SQL: SELECT "place" FROM "nevada_places_ranked_by_per_capita_incom" WHERE "per_capita_income"='$14,793';

Question: what's the number of households with per capita income being $16,820
SQL: SELECT "number_of_households" FROM "nevada_places_ranked_by_per_capita_incom" WHERE "per_capita_income"='$16,820';

Question: what is the maximum rank with per capita income being $17,013
SQL: SELECT MAX("rank") FROM "nevada_places_ranked_by_per_capita_incom" WHERE "per_capita_income"='$17,013';