Table:
Number of soccer fields	Number of sprinklers

1	10

2	20

3	30

4	40

5	?

Recognize the table in this picture and return a latex-style reconstructed table in text.

\begin{tabular}{|c|c|}
\hline
 Number of soccer fields & Number of sprinklers   \\
\hline
 1 & 10   \\
\hline
 2 & 20   \\
\hline
 3 & 30   \\
\hline
 4 & 40   \\
\hline
 5 & ?   \\
\hline
\end{tabular}