Table: shafei_tournaments
Columns: tournament
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
career_sr
career_w_l
career_win

Question: What tournament is listed as A in 1972 and 2R in 1975?
SQL: SELECT "tournament" FROM shafei_tournaments WHERE "1972" = 'a' AND "1975" = '2r'

Question: What is theW-L of the tournament listed as A for 1976?
SQL: SELECT "career_w_l" FROM shafei_tournaments WHERE "1976" = 'a'

Question: What is the listing for the US Open in 1977?
SQL: SELECT "1977" FROM shafei_tournaments WHERE "tournament" = 'us open'

Question: What is the career W-L of the tournament that is listed as A in 1968 and 4R in 1974?
SQL: SELECT "career_w_l" FROM shafei_tournaments WHERE "1968" = 'a' AND "1974" = '4r'