CREATE TABLE table_77470 ("Team" TEXT, "Athletes" TEXT, "Run 1" TEXT, "Run 2" TEXT, "Run 3" TEXT, "Run 4" TEXT, "Final" TEXT)

Which Run 4 has a Run 3 of 1:26.63?
SELECT "Run 4" FROM table_77470 WHERE "Run 3" = '1:26.63'
SELECT "Run 4" FROM "table_77470" WHERE "Run 3" = '1:26.63'