Table: katerina_maleeva
Columns: tournament
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997

Question: What is the 1989 result of the tournament in which Katerina Maleeva finished 4r in 1991?
SQL: SELECT "1989" FROM katerina_maleeva WHERE "1991" = '4r'

Question: What is the 1989 result of the tournament in which Katerina finished nh in 1986?
SQL: SELECT "1989" FROM katerina_maleeva WHERE "1986" = 'nh'