CREATE TABLE table_4688 ("Rank" FLOAT, "Heat" FLOAT, "Lane" FLOAT, "Name" CLOB, "Nationality" CLOB, "150m" CLOB, "Time" CLOB)

What rank did Poland receive with a time of 1:50.12?
SELECT "Rank" FROM table_4688 WHERE "Nationality" = 'poland' AND "Time" = '1:50.12'
SELECT "Rank" FROM "table_4688" WHERE "Nationality" = 'poland' AND "Time" = '1:50.12'