TASK DEFINITION: Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.
PROBLEM: Context : Elections to the European Parliament were held in Belgium on June 13, 2004. 
Question : When did Elections to the European Parliament occurr?

SOLUTION: point in time

PROBLEM: Context : Eric Gascoigne Robinson was born in 1882 at Greenwich in South-East London to John Lovell Robinson and Louisa Aveline Gascoigne. 
Question : What military organization did Eric Gascoigne Robinson belong to?

SOLUTION: military branch

PROBLEM: Context : Isias, surnamed Philostorgos or Philostorgus (Greek: η Ισίας Φιλόστοργος, meaning Isias the loving one) was a Princess of Cappadocia who lived in the 1st century BC. Through her marriage to King Antiochus I Theos of Commagene, she became the Queen of Commagene. 
Question : What is Isias's spouse's name?

SOLUTION:
spouse