which Surface has Opponents in the final of mark edmondson sherwood stewart, and a Tournament of dallas , u.s.?
CREATE TABLE table_name_74 (
    surface VARCHAR,
    opponents_in_the_final VARCHAR,
    tournament VARCHAR
)
SELECT surface FROM table_name_74 WHERE opponents_in_the_final = "mark edmondson sherwood stewart" AND tournament = "dallas , u.s."
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: which Surface has Opponents in the final of mark edmondson sherwood stewart, and a Tournament of dallas , u.s.? ### Input: CREATE TABLE table_name_74 (
    surface VARCHAR,
    opponents_in_the_final VARCHAR,
    tournament VARCHAR
) ### Response: SELECT surface FROM table_name_74 WHERE opponents_in_the_final = "mark edmondson sherwood stewart" AND tournament = "dallas , u.s."