Question: When the runner-up is listed as Gigi Fernández Natalia Zvereva and the week is 26 June 2 weeks, who are the semi finalists?
SQL: SELECT "Semi finalists" FROM "2-15866312-6" WHERE "Runner-up" = 'Gigi Fernández Natalia Zvereva' AND "Week of" = '26 June 2 weeks';

Question: Who is the winner in the week listed as 26 June 2 weeks, when the runner-up is Arantxa Sánchez Vicario?
SQL: SELECT "Winner" FROM "2-15866312-6" WHERE "Week of" = '26 June 2 weeks' AND "Runner-up" = 'Arantxa Sánchez Vicario';

Question: Who are the semi finalists on the week of 12 June, when the runner-up is listed as Lori McNeil?
SQL: SELECT "Semi finalists" FROM "2-15866312-6" WHERE "Week of" = '12 June' AND "Runner-up" = 'Lori McNeil';

Question: When the Tier is listed as Tier III, who is the Winner?
SQL: SELECT "Winner" FROM "2-15866312-6" WHERE "Tier" = 'Tier III';

Question: In which week is the winner listed as Jana Novotná Arantxa Sánchez Vicario 5–7, 7–5, 6–4?
SQL: SELECT "Week of" FROM "2-15866312-6" WHERE "Winner" = 'Jana Novotná Arantxa Sánchez Vicario 5–7, 7–5, 6–4';