CREATE TABLE table_1013129_10 (player VARCHAR2, nhl_team VARCHAR2, nationality VARCHAR2)

NHL team player San Jose Sharks is United States nationally.
SELECT player FROM table_1013129_10 WHERE nhl_team = "San Jose Sharks" AND nationality = "United States"
SELECT "player" FROM "table_1013129_10" WHERE "San Jose Sharks" = "nhl_team" AND "United States" = "nationality"