\documentclass{article}
\usepackage{a4}
\title{JVAS and CLASS Gravitational Lenses}
\author{The Master up-to-date Table}
\date{04 August 2000}
\begin{document}
\maketitle
\thispagestyle{empty}
\begin{table*}[h!]
\caption[]{The JVAS and CLASS gravitational lenses}
\begin{tabular*}{\textwidth}{@{\extracolsep{\fill}}lllllll}
\hline
\hline
Survey &
Name & 
\# images & 
$\Delta\theta''$ & 
$z_{\mathrm{l}}$ & 
$z_{\mathrm{s}}$ & 
lens galaxy \\
\hline
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\multicolumn{7}{c}{\textbf{confirmed lenses}} \\
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\input{confirmed}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\multicolumn{7}{c}{\textbf{puzzling probable lenses}} \\
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\input{puzzling}
\end{tabular*}
\end{table*}
\end{document}