<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/High_Intensity_Discharge_(HID)_Ballasts/277V-Input_Volts/$50_--_$100/1_Lamp/3.600-2%22_--_under_5%22-Width_(in)/results.aspx>