SELECT AVG(goals) FROM table_name_65 WHERE competition = "k-league" AND team = "pohang steelers" AND name = "park sung-ho" AND total_gs < 46
Berapa jumlah rata-rata gol Park Sung-ho di kompetisi K-League, yang memiliki tim Pohang Steelers dan kurang dari 46 total GS?
CREATE TABLE table_name_65 (goals INTEGER, total_gs VARCHAR, name VARCHAR, competition VARCHAR, team VARCHAR)