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		GROUP BY t.`T_teacher_ID`
		ORDER BY `T_lastname` ASC' at line 11<br />Query: 
		SELECT *
		FROM `teacher` t
		LEFT JOIN `college` c ON c.`T_teacher_ID` = t.`T_teacher_ID`
		LEFT JOIN `lesson` l ON l.`T_teacher_ID` = t.`T_teacher_ID`
		WHERE
			`T_published` = 1 AND
			(
				c.`C_end_datetime` < NOW() OR
				l.`L_start_datetime` < NOW()
			) AND
			t.`T_teacher_ID` NOT IN ()
		GROUP BY t.`T_teacher_ID`
		ORDER BY `T_lastname` ASC<br />