CREATE TABLE table_name_50 (opponents VARCHAR2, attendance VARCHAR2, h___a VARCHAR2, result_f___a VARCHAR2)

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