\documentclass{article}

\usepackage{booktabs}

\usepackage[no-math]{fontspec}
\usepackage{xltxtra}
\setmainfont[Mapping=tex-text,Numbers=OldStyle]{Minion Pro}

%tabular is automatically Lining and Monospaced
\makeatletter
	\let\old@tabular\tabular
	\let\old@endtabular\endtabular
	\renewenvironment{tabular}
	{\begingroup\addfontfeatures{Numbers={Lining,Monospaced}}\old@tabular}
	{\old@endtabular\endgroup}
\makeatother

%this will actually be a counter
\newcommand{\linecounter}[1]{{\addfontfeatures{Colour=FF0000,Numbers=OldStyle}(#1)}}

\begin{document}

\begin{table}[ht]
	\centering
		\begin{tabular}{clcrr}
		\toprule
		& {Senten\c{c}a} & {An\'alises} & {Tempo (ms)} & {Mem\'oria (bytes)}\\ \midrule
		\linecounter{1} & quer\'ia hablar con Juan & 4 & 6.063 & 45.623.904\\
		\linecounter{2} & necesito ayuda & 1 & 11.906 & 39.012.984\\
		\linecounter{3} & quer\'ias comer & 1 & 10.297 & 54.991.432\\ \bottomrule
		\end{tabular}
	\caption{Tests}
\end{table}

\end{document}