CREATE TABLE table_56258 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

How many laps did Innes Ireland make when he had a grid more than 15?
SELECT "Laps" FROM table_56258 WHERE "Grid" > '15' AND "Driver" = 'innes ireland'
SELECT "Laps" FROM "table_56258" WHERE "Driver" = 'innes ireland' AND "Grid" > '15'