Table: us_open_2003
Columns: place
player
country
score
to_par

Question: What is Tom Gillis' score?
SQL: SELECT "score" FROM us_open_2003 WHERE "player" = 'tom gillis'

Question: Which player is T3?
SQL: SELECT "player" FROM us_open_2003 WHERE "place" = 't3'

Question: Which country has is Len Mattiace in T10 place?
SQL: SELECT "country" FROM us_open_2003 WHERE "place" = 't10' AND "player" = 'len mattiace'

Question: What is the average score for the player who is T5 in the United States?
SQL: SELECT AVG("score") FROM us_open_2003 WHERE "place" = 't5' AND "country" = 'united states'