CREATE TABLE "roster" (
  "name" text,
  "position" text,
  "height" text,
  "weight" real,
  "year" text,
  "home_town" text
);

Question: What is the average weight of Jeremy Case, who plays guard?
SQL: SELECT AVG("weight") FROM "roster" WHERE "position"='guard' AND "name"='jeremy case';

Question: What is the position of the player from New York City, NY?
SQL: SELECT "position" FROM "roster" WHERE "home_town"='new york city, ny';

Question: What year is guard Mario Chalmers?
SQL: SELECT "year" FROM "roster" WHERE "position"='guard' AND "name"='mario chalmers';