CREATE TABLE table_36478 ("Position" FLOAT, "Sail number" TEXT, "Yacht" TEXT, "State/country" TEXT, "Yacht type" TEXT, "LOA  ( Metres ) " FLOAT, "Skipper" TEXT, "Corrected time d:hh:mm:ss" TEXT)

WHICH Corrected time d:hh:mm:ss has a Position smaller than 7, and a Yacht type of cookson 50
SELECT "Corrected time d:hh:mm:ss" FROM table_36478 WHERE "Position" < '7' AND "Yacht type" = 'cookson 50'
SELECT "Corrected time d:hh:mm:ss" FROM "table_36478" WHERE "Position" < '7' AND "Yacht type" = 'cookson 50'