What is the p max (bar) in the pistol where the chambering is .45 ACP?
CREATE TABLE table_29166 (
    "Chambering" text,
    "P1 diameter (mm)" text,
    "A external (cm 2 )" text,
    "P max ( bar )" real,
    "F bolt ( kgf )" real,
    "F bolt" text
)
SELECT MAX("P max ( bar )") FROM table_29166 WHERE "Chambering" = '.45 ACP'
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: What is the p max (bar) in the pistol where the chambering is .45 ACP? ### Input: CREATE TABLE table_29166 (
    "Chambering" text,
    "P1 diameter (mm)" text,
    "A external (cm 2 )" text,
    "P max ( bar )" real,
    "F bolt ( kgf )" real,
    "F bolt" text
) ### Response: SELECT MAX("P max ( bar )") FROM table_29166 WHERE "Chambering" = '.45 ACP'