Soy de la in English means I am of. Ex. I am of Spanish heritage. (Soy de la Spanish heritage.)
¿Quién eres? Soy la mama de... It means, "Who are you? I'm the mama [mother] of..." After the 'de', you'd expect to see the name of a child.
I am the princess of your life.
Soy la mamá de Bob, or, Soy la madre de Bob
Soy la casa -I am the house
I´m a fan of the alternative music.
The motto of Villanueva de la Serena is 'Puerta soy de La Serena'.
soy la gomita
La Modelo de la calle Florida was created in 1939.
"Que soy la fecha de hoy" does not have a clear meaning in Spanish. It seems like a mistranslation or a mistake. It could be an attempt to ask for the current date ("¿Cuál es la fecha de hoy?") or have a different phrase in mind.
"I am the city" is the English translation of "yo soy la ciudad" in Spanish.
Lolita de la Vega has written: 'Porque soy mujer'