CREATE TABLE "player_roster" (
  "surname" text,
  "first" text,
  "d_o_b" text,
  "uninum" real,
  "bats" text,
  "throws" text,
  "position" text
);

Question: What's the Uni# of Timms, who has bats of R?
SQL: SELECT "uninum" FROM "player_roster" WHERE "bats"='r' AND "surname"='timms';