CREATE TABLE "convertible" (
  "interior_roof" text,
  "black_ua" real,
  "red_e8" real,
  "white_zr" real,
  "green_sw" real,
  "totals" real
);

Question: What's the green (SW) of the model with charcoal/white interior/roof?
SQL: SELECT MIN("green_sw") FROM "convertible" WHERE "interior_roof"='Charcoal/white';

Question: How many different results for red (e8) does the model with parchment/saddle interior/roof have?
SQL: SELECT COUNT("red_e8") FROM "convertible" WHERE "interior_roof"='Parchment/saddle';

Question: How many different total results are there for the model with parchment/black interior/roof?
SQL: SELECT COUNT("totals") FROM "convertible" WHERE "interior_roof"='Parchment/black';