What is the most common type of weapon that causes death?
the most common type of weapon refers to max(count(subject_weapon)); causes death refers to subject_statuses = 'Deceased'
SELECT subject_weapon FROM incidents WHERE subject_statuses = 'Deceased' GROUP BY subject_weapon ORDER BY COUNT(case_number) DESC LIMIT 1
CREATE TABLE incidents
(
    case_number                TEXT  not null
        primary key,
    date                       DATE          not null,
    location                   TEXT  not null,
    subject_statuses           TEXT  not null,
    subject_weapon             TEXT  not null,
    subjects                   TEXT  not null,
    subject_count              INTEGER           not null,
    officers                  TEXT not null

);
CREATE TABLE officers
(
    case_number TEXT not null,
    race        TEXT         null,
    gender      TEXT         not null,
    last_name   TEXT not null,
    first_name  TEXT null,
    full_name   TEXT not null,
    foreign key (case_number) references incidents (case_number)
);
CREATE TABLE subjects
(
    case_number TEXT not null,
    race        TEXT         not null,
    gender      TEXT         not null,
    last_name   TEXT not null,
    first_name  TEXT null,
    full_name   TEXT not null,
    foreign key (case_number) references incidents (case_number)
);
