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

Question: Which player was a fly-half?
SQL: SELECT "player" FROM "2007_rugby_world_cup_squads" WHERE "position"='fly-half';

Question: What is the mean number of caps for Ryota Asano?
SQL: SELECT AVG("caps") FROM "2007_rugby_world_cup_squads" WHERE "player"='ryota asano';

Question: What is the mean number of caps for Ryota Asano?
SQL: SELECT AVG("caps") FROM "2007_rugby_world_cup_squads" WHERE "player"='ryota asano';