CREATE TABLE "controversy" (
  "category" text,
  "frequency" text,
  "white" real,
  "brown" real,
  "black" real,
  "amerindian" real,
  "yellow" real,
  "total" real
);

Question: What is the average Black, when White is less than 6,02, and when Total is greater than 100,00?
SQL: SELECT AVG("black") FROM "controversy" WHERE "white"<'6,02' AND "total">'100,00';

Question: What is the sum of Yellow, when Category is Bugre (Indian), and when Amerindian is less than 50,00?
SQL: SELECT SUM("yellow") FROM "controversy" WHERE "category"='bugre (indian)' AND "amerindian"<'50,00';

Question: What is the sum of Amerindian, when White is 6,02, and when Total is greater than 100,00?
SQL: SELECT SUM("amerindian") FROM "controversy" WHERE "white"='6,02' AND "total">'100,00';