When the laps are 31 and the constructor was honda, what's the sum of all grid values?
CREATE TABLE table_51289 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
)
SELECT SUM("Grid") FROM table_51289 WHERE "Constructor" = 'honda' AND "Laps" = '31'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: When the laps are 31 and the constructor was honda, what's the sum of all grid values? ### Input: CREATE TABLE table_51289 (
    "Driver" text,
    "Constructor" text,
    "Laps" real,
    "Time/Retired" text,
    "Grid" real
) ### Response: SELECT SUM("Grid") FROM table_51289 WHERE "Constructor" = 'honda' AND "Laps" = '31'