CREATE TABLE table_name_58 (new_entries_this_round VARCHAR, clubs VARCHAR)
SELECT new_entries_this_round FROM table_name_58 WHERE clubs = "2 → 1"
รอบนี้มีไม้เข้าใหม่กี่ไม้ 2 → 1 ?
How many new entries this round have clubs 2 → 1?