What dataset did math use?

[yongho-chang]

Looking at the code below,
it looks like it can be evaluated using the "math_test" or "math_500_test" dataset.

simple-evals/math_eval.py

Line 32 in ee3b031

split: Literal["math_test", "math_500_test"] = "math_test",

What dataset was used to obtain the scores listed in Benchmark Results in README.md?