Title: Iran.
Question: In 2014, Maryam Mirzakhani became the first women ever and first Iranian to win what prestigious mathematics award? 

Title: Greece.
Question: How many Greek national holidays are there each year?

Title: Cardinal (Catholicism).
Question: In what roles did cardinals have important roles?

Title: Botany.
Question:
What common grain is the result cultivated wild hybrids?