Table schema:
CREATE TABLE table_name_43 (runner_up VARCHAR, tier VARCHAR, winner VARCHAR)

Question: What is the Runner-up with the tier was tier ii, and a Winner of gigi fernández natalia zvereva 5–7, 6–1, 6–4?
SQL: SELECT runner_up FROM table_name_43 WHERE tier = "tier ii" AND winner = "gigi fernández natalia zvereva 5–7, 6–1, 6–4"