In the end game, the fewer suits you have in your hand the better. It is worst of all to have a few cards in each suit, as it is then very hard to get rid of all your cards. Some players may try to add to add further cards of the same suit newly picked up from the stock to the cards which they have already led, but continuing the lead in this way is forbidden. There are two players left in the game and clubs are trumps. Again there are just two players left in the game and you have the lead.
Clubs are trumps.
Your opponent has only one card left and you know it is the ace of trumps.