CREATE TABLE table_name_50 (position VARCHAR, player VARCHAR, nationality VARCHAR, jersey_number_s_ VARCHAR)

What is Postition, when Nationality is United States, when Jersey Number(s) is 12, and when Player is Tom Black Category:Articles With hCards?
SELECT position FROM table_name_50 WHERE nationality = "united states" AND jersey_number_s_ = "12" AND player = "tom black category:articles with hcards"
SELECT "position" FROM "table_name_50" WHERE "12" = "jersey_number_s_" AND "nationality" = "united states" AND "player" = "tom black category:articles with hcards"