CREATE TABLE table_name_26 (partner VARCHAR, outcome VARCHAR, date VARCHAR)

Who is the partner with a runner-up outcome on April 6, 1992?
SELECT partner FROM table_name_26 WHERE outcome = "runner-up" AND date = "april 6, 1992"
SELECT "partner" FROM "table_name_26" WHERE "april 6, 1992" = "date" AND "outcome" = "runner-up"