Table schema:
CREATE TABLE table_name_50 (opponents VARCHAR, attendance VARCHAR, h___a VARCHAR, result_f___a VARCHAR)

Question: Which Opponent has a H / A of a, and a Result F – A of 2 – 0, and a Attendance larger than 30,000?
SQL: SELECT opponents FROM table_name_50 WHERE h___a = "a" AND result_f___a = "2 – 0" AND attendance > 30 OFFSET 000