Context: CREATE TABLE table_name_21 (appearances INTEGER, flamengo_career VARCHAR)
Question: How many appearances did the flamengo player who was with flamengo during the years 1989–1993 1996–1998 2004–2005 have?
Answer: SELECT MAX(appearances) FROM table_name_21 WHERE flamengo_career = "1989–1993 1996–1998 2004–2005"