RIDDLE And Trick Questions: PROVE you're The Smartest![1st Edition]

Hey there! So, listen up. Ill be posting daily riddles and trick questions, and i want YOU to answer them. Once someone has gotten it correct ill post the results, who got it right in a small list of people who are participating, each time someone joins, ill ad them in, so don't worry you can join any time! There will be a winner at the end of.. well ill think about it.
Al right so , im asking you... begging you (lel) please don't post anything other than the answers or if you wanna ask a short question about this then sure, go on.
YOU HAVE TWO CLUES.

Here's the first question/Riddle:

James Leonard, a famous, handsome and rich gentleman was murdered! On a Sunday AFTERNOON. At the time of the murder there was: the butler, the cook, the maid, the wife and the gardener. We interviewed each one of them:
Maid: I was fixing the table.
Cook: I was cooking breakfast.
Butler: I was polishing the silverware and the dishes.
Gardener: I was planting tomato seeds.
Wife: I was reading a book.
Who did it?