CREATE TABLE table_name_71 (year VARCHAR2, venue VARCHAR2, opponent VARCHAR2)

What year was the venue at Sydney Cricket Ground, and the opponent was Parramatta Eels?
SELECT COUNT(year) FROM table_name_71 WHERE venue = "sydney cricket ground" AND opponent = "parramatta eels"
SELECT COUNT("year") FROM "table_name_71" WHERE "opponent" = "parramatta eels" AND "sydney cricket ground" = "venue"