What is Shayna Jack?
{{Infobox swimmer | name = Shayna Jack | image = | nationality = Australian | strokes = [[Freestyle swimming|Freestyle]] | birth_date = {{birth date and age|1998|11|6|df=yes}} | birth_place = | height = 1.80 m | weight = | medaltemplates = {{MedalSport|Women's swimming}} {{MedalCountry|{{AUS}}}} {{MedalCount |total=yes |[[World Aquatics Championships|World Championships (LC)]]|2|3|2 |[[Oceania Swimming Championships|Oceania Championships]]|3|0|2 |[[Pan Pacific Swimming Championships|Pan Pacific Championships]]|1|0|0 |[[Commonwealth Games]]|2|1|1 }} {{MedalCompetition|[[Swimming at the World Aquatics Championships|World Championships (LC)]]}} {{MedalGold|[[2022 World Aquatics Championships|2022 Budapest]]|[[Swimming at the 2022 World Aquatics Championships – Women's 4 × 100 metre freestyle relay|4×100 m freestyle]]}} {{MedalGold|[[2023 World Aquatics Championships|2023 Fukuoka]]|[[Swimming at the 2023 World Aquatics Championships – Women's 4 × 100 metre freestyle relay|4×100 m freestyle]]}} {{MedalSilver|[[2017 World Aquatics Championships|2017 Budapest]]|[[Swimming at the 2017 World Aquatics Championships – Women's 4 × 100 metre freestyle relay|4×100 m freestyle]]}} {{MedalSilver|2017 Budapest|[[Swimming at the 2017 World Aquatics Championships – 4 × 100 metre mixed medley relay|4×100 m mixed medley]]}} {{MedalSilver|2022 Budapest|[[Swimming at the 2022 World Aquatics Championships – 4 × 100 metre mixed medley relay|4×100 m mixed medley]]}} {{MedalBronze|2017 Budapest|[[Swimming at the 2017 World Aquatics Championships – Women's 4 × 200 metre freestyle relay|4×200 m freestyle]]}} {{MedalBronze|2017 Budapest|[[Swimming at the 2017 World Aquatics Championships – Women's 4 × 100 metre medley relay|4×100 m medley]]}} {{MedalCompetition|[[Oceania Swimming Championships|Oceania Championships]]}} {{MedalGold|[[2014 Oceania Swimming Championships|2014 Auckland]]|4×100 m freestyle}} {{MedalGold|2014 Auckland|4×200 m freestyle}} {{MedalGold|2014 Auckland|{{Nowrap|4×10