What team is from the United States and plays a guard position for the Grizzlies in 2012?
CREATE TABLE table_50298 (
    "Player" text,
    "Nationality" text,
    "Position" text,
    "Years for Grizzlies" text,
    "School/Club Team" text
)
SELECT "School/Club Team" FROM table_50298 WHERE "Nationality" = 'united states' AND "Position" = 'guard' AND "Years for Grizzlies" = '2012'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What team is from the United States and plays a guard position for the Grizzlies in 2012? ### Input: CREATE TABLE table_50298 (
    "Player" text,
    "Nationality" text,
    "Position" text,
    "Years for Grizzlies" text,
    "School/Club Team" text
) ### Response: SELECT "School/Club Team" FROM table_50298 WHERE "Nationality" = 'united states' AND "Position" = 'guard' AND "Years for Grizzlies" = '2012'