CREATE TABLE table_name_51 (round INT, position VARCHAR, school VARCHAR)

When the school picking is utah state for the position of linebacker, what's the sum of those rounds?
SELECT SUM(round) FROM table_name_51 WHERE position = "linebacker" AND school = "utah state"
SELECT SUM("round") FROM "table_name_51" WHERE "linebacker" = "position" AND "school" = "utah state"