CREATE TABLE table_name_70 (winner VARCHAR, runner_up VARCHAR, week_of VARCHAR, semi_finalists VARCHAR)

What is Winner, when Week is 8 May, when Semi Finalists is Helena Sukov Mary Pierce, and when Runner-Up is Conchita Mart nez Patricia Tarabini?
SELECT winner FROM table_name_70 WHERE week_of = "8 may" AND semi_finalists = "helena suková mary pierce" AND runner_up = "conchita martínez patricia tarabini"
SELECT "winner" FROM "table_name_70" WHERE "8 may" = "week_of" AND "conchita martínez patricia tarabini" = "runner_up" AND "helena suková mary pierce" = "semi_finalists"