TASK DEFINITION: In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
PROBLEM: when was the immigration reform and control act passed

SOLUTION: November 6, 1986

PROBLEM: when was it discovered that lead was poisonous

SOLUTION: at least 2000 BC

PROBLEM: when was daylight savings time established in the united states

SOLUTION:
1918