SELECT "Time/Retired" FROM table_54643 WHERE "Grid" > '17' AND "Laps" = '74'
What is the time/retired for a grid over 17 with 74 laps?
CREATE TABLE table_54643 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)