\begin{table}
\centering
\begin{tblr}[         %% tabularray outer open
]                     %% tabularray outer close
{                     %% tabularray inner open
colspec={Q[]Q[]Q[]},
column{1}={}{halign=l,},
column{2,3}={}{halign=r,},
}                     %% tabularray inner close
\toprule
cyl & SD & N \\ \midrule %% TinyTableHeader
4 &  & 11 \\
6 &  & 7 \\
8 &  & 14 \\
mpg & \num{6.03} & 32 \\
\bottomrule
\end{tblr}
\end{table} 
