Can't execute query

		SELECT 
			 id
			,title
			,description
			,date_start
		FROM events
		WHERE display = 1 AND date >= '2017-10-18' AND company_id = '4'
		ORDER BY date_start_year, date_start_month, date_start_day ASC
	

MySQL Error: Unknown column 'date' in 'where clause'

This script cannot continue, terminating.