Generate UD annotations for the following tokenized text:
Von 1997 bis 2001 war er Deputy Chair of Committees.
Postion	Tokenization
1	Von
2	1997
3	bis
4	2001
5	war
6	er
7	Deputy
8	Chair
9	of
10	Committees
11	.
Position	Tokenization	UPOS	Head	Deprel
1	Von	ADP	2	case
2	1997	NUM	7	nmod
3	bis	ADP	4	case
4	2001	NUM	7	nmod
5	war	AUX	7	cop
6	er	PRON	7	nsubj
7	Deputy	PROPN	0	root
8	Chair	PROPN	7	flat
9	of	PROPN	7	flat
10	Committees	PROPN	7	flat
11	.	PUNCT	7	punct