CREATE TABLE "twenty20_internationals" (
  "player" text,
  "wkts" real,
  "runs" real,
  "econ" real,
  "ovrs" real
);

Question: what is the sum of the wkts when the ovrs were bigger than 2 and econ was bigger than 7.84?
SQL: SELECT SUM("wkts") FROM "twenty20_internationals" WHERE "ovrs">2 AND "econ">7.84;

Question: What is the sum of the runs when the wkts were bigger than 0 and ovrs were smaller than 2?
SQL: SELECT SUM("runs") FROM "twenty20_internationals" WHERE "ovrs"<2 AND "wkts">0;

Question: What is the highest wkts for james hopes who had less than 26 runs and more than 2 ovrs?
SQL: SELECT MAX("wkts") FROM "twenty20_internationals" WHERE "runs"<26 AND "player"='james hopes' AND "ovrs">2;