CREATE TABLE table_42945 ("Year" CLOB, "Venue" CLOB, "Champion" CLOB, "Country" CLOB, "Score" CLOB, "Runner-up" CLOB)

What player was the champion in the match where E.A. Lassen was the runner-up?
SELECT "Champion" FROM table_42945 WHERE "Runner-up" = 'e.a. lassen'
SELECT "Champion" FROM "table_42945" WHERE "Runner-up" = 'e.a. lassen'