CREATE TABLE table_name_74 (surface VARCHAR2, opponents_in_the_final VARCHAR2, tournament VARCHAR2)

which Surface has Opponents in the final of mark edmondson sherwood stewart, and a Tournament of dallas , u.s.?
SELECT surface FROM table_name_74 WHERE opponents_in_the_final = "mark edmondson sherwood stewart" AND tournament = "dallas , u.s."
SELECT "surface" FROM "table_name_74" WHERE "dallas , u.s." = "tournament" AND "mark edmondson sherwood stewart" = "opponents_in_the_final"