Table:
text: Sidecarcross World Championship
2013
2013
Date_ Place Race_winners GP_winner Source_
1 April Frauenfeld Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van den Bogaart Result
19 May Chernivtsi Valentin Giraud / Nicolas Musset Etienne Bax / Kaspars Stupelis Result
19 May Chernivtsi Etienne Bax / Kaspars Stupelis Etienne Bax / Kaspars Stupelis Result
26 May Schwedt Etienne Bax / Kaspars Stupelis Etienne Bax / Kaspars Stupelis Result
9 June Kramolín Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van den Bogaart Result
16 June Varsseveld Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van den Bogaart Result

text: Sidecarcross World Championship
2013
2013
Date_ Place Race_winners GP_winner Source_
23 June Genk Valentin Giraud / Nicolas Musset Ben Adriaenssen / Ben van de Bogaart Result
23 June Genk Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van de Bogaart Result
7 July Iffendic Etienne Bax / Kaspars Stupelis Etienne Bax / Kaspars Stupelis Result
21 July Strassbessenbach Etienne Bax / Kaspars Stupelis Ben Adriaenssen / Ben van den Bogaart Result
21 July Strassbessenbach Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van den Bogaart Result
4 August Kiviõli Etienne Bax / Kaspars Stupelis Etienne Bax / Kaspars Stupelis Result
11 August Ķegums Etienne Bax / Kaspars Stupelis Etienne Bax / Kaspars Stupelis Result

text: Sidecarcross World Championship
2013
2013
Date_ Place Race_winners GP_winner Source_
18 August Roggenburg Etienne Bax / Kaspars Stupelis Ben Adriaenssen / Ben van den Bogaart Result
18 August Roggenburg Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van den Bogaart Result
8 September Dardon Guegnon Etienne Bax / Kaspars Stupelis Ben Adriaenssen / Ben van den Bogaart Result
8 September Dardon Guegnon Ben Adriaenssen / Ben van den Bogaart Ben Adriaenssen / Ben van den Bogaart Result
15 September Rudersberg Ben Adriaenssen / Ben van den Bogaart Jan Hendrickx / Elvijs Mucenieks Result
15 September Rudersberg Jan Hendrickx / Elvijs Mucenieks Jan Hendrickx / Elvijs Mucenieks Result
22 September Nismes Etienne Bax / Kaspars Stupelis Etienne Bax / Kaspars Stupelis Result
13 October Cingoli not held not held not held

Question: In the World Sidecarcross Championship, what source has a Ben Adriaenssen/Ben van den Bogaart race winner and Ben Adriaenssen/Ben van den Bogaart GP winner for the April 1, 2013 date?

Question: Which date has a place from Chernivtsi and a race winner from Etienne Bax/Kaspars Stupelis under the 2013 World Sidecarcross Championship?