CREATE TABLE "2007_rugby_world_cup_squads" (
  "player" text,
  "position" text,
  "date_of_birth_age" text,
  "caps" real,
  "club_province" text
);

Question: What position does the player with 13 caps play?
SQL: SELECT "position" FROM "2007_rugby_world_cup_squads" WHERE "caps"=13;

Question: How many caps for mike macdonald?
SQL: SELECT SUM("caps") FROM "2007_rugby_world_cup_squads" WHERE "player"='mike macdonald';