alabnii/sciclaimeval-shared-task huggingface dataset:
\documentclass[varwidth=598pt]{standalone}

\usepackage{booktabs} % professional-quality tables
\usepackage{multirow} % multi-row cells in tables
\usepackage{colortbl} % color for tables (\cellcolor, \rowcolor)
\usepackage[table]{xcolor} % enhanced colors for tables
\usepackage{array} % more flexible column formats (often used)
\usepackage{tabularx} % for tables with auto-stretch columns (if used)
\usepackage{graphicx} % for images in tables or figure/table floats
\usepackage{amssymb} % math symbols
\usepackage{amsmath} % math environments
\usepackage{soul} % highlighting (used for colored text/cells)
\usepackage[normalem]{ulem} % underlining, strikethroughs
\usepackage[T1]{fontenc} % font encoding
\usepackage[utf8]{inputenc}% input encoding (legacy, fine for pdflatex)
\usepackage{microtype} % better text appearance
\usepackage{hyperref} % hyperlinks
\usepackage{textcomp} % for extra symbols
\usepackage{enumitem} % for compact lists (if used in table notes)
\usepackage{adjustbox}
\usepackage{tabu}
\usepackage{pifont} % http://ctan.org/pkg/pifont
\usepackage{bbding} % \XSolidBrush
\usepackage{makecell}

\begingroup
\makeatletter
\renewcommand{\fnum@table}{}%
\long\def\@makecaption#1#2{%
\vskip\abovecaptionskip \centering #2\par \vskip\belowcaptionskip }
\makeatother

\begin{document}
\begin{table}
\centering
\begin{adjustbox}
{max width=\textwidth}
\begin{tabular}{lllllll}
\toprule

\textbf{Dataset} & \textbf{\begin{tabular}[c]{@{}l@{}}Unique\\ items\end{tabular}} & \textbf{Dialogues} & \textbf{Utterances} & \textbf{\begin{tabular}[c]{@{}l@{}}Recommender \\utterances\end{tabular}} & \textbf{\begin{tabular}[c]{@{}l@{}}Rec. utt.\\ w/o rec.\end{tabular}} & \textbf{\begin{tabular}[c]{@{}l@{}}Rec. utt.\\ w/ rec.\end{tabular}} \\
\midrule

ReDial & 6,637 & 11,348 & 139,557 & 73,999 & 31,119 & 42,880 \\
INSPIRED & 1,546 & 999 & 21,124 & 10,122 & 7,243 & 2,879 \\
\bottomrule
\end{tabular}
\end{adjustbox}
\caption{Table 1: Statistics on ReDial and INSPIRED datasets, combined over
train, dev and test sets.}
\end{table}
\end{document}