CREATE TABLE table_name_1 (round INT, overall VARCHAR, name VARCHAR)

What is the average number of rounds for billy hicks who had an overall pick number bigger than 310?
SELECT AVG(round) FROM table_name_1 WHERE overall > 310 AND name = "billy hicks"
SELECT AVG("round") FROM "table_name_1" WHERE "billy hicks" = "name" AND "overall" > 310