### Database Schema:
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)
);

### User's Query:
How many instances were found in June 2015?

### Extra Knowledge:
in June 2015 refers to date between '2015-06-01' and '2015-06-30'; record number refers to case_number
SELECT COUNT(case_number) FROM incidents WHERE date BETWEEN '2015-06-01' AND '2015-06-30'