Barry, there is a protocol for asking questions which is designed to aid the potential answerers in choosing which possible answer to offer. As has happened here and on other questions you have asked with only the number of letters given there have been several possible answers. If you have any letters placed you should show them.
//3. Remember: Not everyone will have a copy of the crossword in front of them, so please write the clue EXACTLY as it appears, the number of letters required and which (if any) you already know e.g.
13d Excellent on-line resource for answering questions (10) A?SWE?B?NK
http://www.theanswerbank.co.uk/Quizzes-and-Puzzles/article/etiquette-for-asking-a-quiz-puzzle-or-crossword-question/