BML Birthday Quiz 2018, Part 1 by BringMoreLegos

(Note: Read the quiz instructions so you understand the theme for each of the three rounds represented here!)
TRINOMIALS: R1Q1. Before she came into our lives or played Cinderella on Broadway, what prolific artist’s biggest achievement was a mere third place on Canadian Idol?

TRINOMIALS: Though he’d surely object, you might say the god-fearing lawyer character in the play and film Inherit the Wind *evolved* from what real-life trial winner and three-time presidential loser?

TRINOMIALS: Works by Edna Ferber, Joseph Moncure March, Arthur Schnitzler, Federico García Lorca, and Ryūnosuke Akutagawa have all been adapted for the stage by what prolific writer?

TRINOMIALS: Though she achieved household name status as 90s title characters Clarissa Darling and Sabrina Spellman, whose only notable film role was opposite Adrian Grenier in the 1998 teen rom com Drive Me Crazy?

TRINOMIALS: "Dag, Hammarskjöld!" What UN Secretary General came under fire for his inaction on the Rwandan genocide, a criticism exacerbated years later by accusations that he approved secret arms sales to the Hutu regime while serving as Egypt’s foreign minister?

HALL OF FEM: Sticking with "Trinomials" for another question, who set world records in both the 100-meter and 200-meter sprints during her 1988 Olympic campaign, records which still stand today, 20 years after her tragic death?

HALL OF FEM: Lady Isobel Stanley Gathorne-Hardy was born in 1875 to the Governor General of a Commonwealth nation. As both a player and supporter, she helped popularize the men’s and women’s games of what sport?

HALL OF FEM: We all know UConn is a perennial powerhouse in women’s March Madness. But what school emerged as 2017 champions after a semifinal loss ended a four-year run of titles from the dynastic lady Huskies?

HALL OF FEM: Czechian snow queen (and March 23rd birthday buddy!) Ester Ledecká brought home two gold medals from Pyeongchang, the first athlete ever to do so in both skiing and snowboarding. Name either specific event in which she triumphed.

HALL OF FEM: Despite its byzantine rule system, a young woman named Rosalyn became arguably the most formidable player in the known history of what fictional sport, probably due to her use of the Babysitter Flag?

GINGER SNAPS: Miranda Hobbes, Sex and the City

(Remember, for this round, name the actor.)

GINGER SNAPS: Poison Ivy, Batman and Robin

GINGER SNAPS: Sansa Stark, Game of Thrones

GINGER SNAPS: Leeloo, The Fifth Element

GINGER SNAPS: Cat Valentine, Victorious AND Sam and Cat