CREATE TABLE table_40010 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

On which date did Ian Mosey finish runner-up?
SELECT "Date" FROM table_40010 WHERE "Runner(s)-up" = 'ian mosey'
SELECT "Date" FROM "table_40010" WHERE "Runner(s)-up" = 'ian mosey'