CREATE TABLE table_78776 ("Edition" TEXT, "Date" TEXT, "Winner" TEXT, "Country" TEXT, "Time  (  h : m : s  ) " TEXT)

On what date did Lee Bong-Ju win in 2:10:48?
SELECT "Date" FROM table_78776 WHERE "Time ( h : m : s )" = '2:10:48' AND "Winner" = 'lee bong-ju'
SELECT "Date" FROM "table_78776" WHERE "Time ( h : m : s )" = '2:10:48' AND "Winner" = 'lee bong-ju'