CREATE TABLE "roster" (
  "name" text,
  "number" real,
  "position" text,
  "weight" real,
  "year" text,
  "hometown" text
);

Question: What is the total weight in Tulsa, Oklahoma?
SQL: SELECT SUM("weight") FROM "roster" WHERE "hometown"='tulsa, oklahoma';

Question: What is the number with the f position in Dallas, Texas?
SQL: SELECT COUNT("number") FROM "roster" WHERE "position"='f' AND "hometown"='dallas, texas';